Daily Rambam (3 Chapters) · Beginner – Jewish Basics · Deep-Dive

Mishneh Torah, Murderer and the Preservation of Life 1

Deep-DiveBeginner – Jewish BasicsNovember 13, 2025

Shalom! Welcome, welcome! So glad you're here. Think of me as your friendly guide on a little adventure into Jewish wisdom. No previous experience required, no special decoder ring needed. Just bring your curiosity and an open mind!

Today, we're diving into a really powerful topic that touches on something we all care about deeply: life itself.

Hook

Ever found yourself in a situation where you saw someone struggling, maybe with a mountain of groceries, or trying to find their way, or just looking a bit lost? Or perhaps you've been the one struggling, hoping someone would notice and offer a hand? That little flicker of "Should I help?" or "I wish someone would help me!" is a universal human experience. It’s that moment where you wonder about your role in the world, about the connection between us all. We've all been there, right? Maybe you saw a parent wrestling with a stroller and three bags on the subway, or a friend looking utterly swamped at work, or even just a neighbor whose recycling bin blew over in the wind. In those small moments, a tiny question pops into our minds: "Is it my business?" "Should I step in?" "What if I make it worse?" Or, on the flip side, "What if I don't step in and something bad happens?"

These aren't just polite social dilemmas; they tap into something much deeper about what it means to be human, to live in a community, and to care for one another. Judaism, as you'll discover, has a lot to say about these moments. It doesn't just offer suggestions; it presents a profound and active call to action. We often hear about "do nots" in religious texts – don't steal, don't lie, don't eat that last cookie (okay, maybe not that last one). But what about the "dos"? What about the proactive, courageous, and sometimes even daring things we are commanded to do for each other? What if Jewish tradition told us that sometimes, not acting is just as serious as acting wrongly? What if it told us that saving a single life is like saving an entire world? Sounds pretty heavy, huh? Well, today, we're going to peek into a classic Jewish text that doesn't just hint at these ideas, but lays out, in no uncertain terms, our profound responsibility to preserve life, to intervene, and to truly be our "brother's keeper." It's a deep dive into the practical, sometimes surprising, and ultimately awe-inspiring Jewish view on what it means to protect and cherish life, and how we are all, in our own ways, called to be heroes, even without the capes. So, let's explore what Jewish wisdom has to say about those moments of decision, about turning that flicker of "should I help?" into a resolute "I must."

Context

Before we jump into the text itself, let's get a little background. Think of it like setting the stage for a play – knowing who wrote it, when, and why helps us appreciate the story so much more.

Who is Maimonides?

The author of our text today is a truly towering figure in Jewish history, often referred to as "Rambam." His real name was Rabbi Moshe ben Maimon, or Moses Maimonides. Imagine a person who was not only a brilliant rabbi, scholar, and philosopher, but also a respected doctor who served the Sultan of Egypt! Talk about a multi-talented individual! Rambam lived in the 12th century, born in Spain and later moving to Morocco, Israel, and finally Egypt. He was a true Renaissance man, centuries before the Renaissance even began. His writings were incredibly influential, shaping Jewish thought and law for generations, and his medical texts were used for hundreds of years. He was a thinker who loved clarity and order, and he wanted to make Jewish law understandable to everyone.

When was this text written?

Rambam wrote the Mishneh Torah in the late 12th century, around 1170-1180 CE. This was a time when Jewish communities were spread across many different lands, and Jewish law had accumulated over many centuries. Different communities had different customs and interpretations. Rambam's goal was to bring order to this vast sea of legal tradition. He wanted to create a single, clear, and comprehensive guide to Jewish law that anyone could understand, without needing to wade through countless older, more complex texts. He wasn't just writing for legal scholars; he was writing for every Jew. This desire for clarity and accessibility is evident in the straightforward language he uses, which we'll see today.

What is the Mishneh Torah?

The Mishneh Torah is Rambam's magnum opus – his greatest work. The name itself means "Repetition of the Torah" or "Second Torah." It’s a massive, fourteen-volume code of Jewish law that covers every single aspect of Jewish life, from daily prayers to dietary laws, from civil disputes to the laws of the Temple. What makes it so revolutionary is its organization. Before Rambam, Jewish law was often found scattered in various texts, making it hard to navigate. Rambam meticulously organized all the laws by topic, making it incredibly easy to find what you're looking for. He wrote it in clear, concise Hebrew, aiming to make Jewish law accessible to everyone, not just scholars. Our text today comes from a section within the Mishneh Torah called "The Book of Damages," specifically a chapter titled "Murderer and the Preservation of Life." As you can guess from the title, this section deals with the most serious matters of life and death, and our profound responsibility concerning them.

What's a Mitzvah?

You'll hear the word mitzvah a lot in Jewish learning, and it's a really important concept. In its simplest form, a mitzvah (pronounced "MITS-vah") is a commandment from God. But it's more than just a rule; it's often understood as a connection point, an opportunity to bring holiness into the world through our actions. Think of it like a divine instruction for living a good, meaningful, and connected life. There are 613 mitzvot in total, traditionally divided into two categories:

  • Positive Mitzvot: These are things we are commanded to do (e.g., "Honor your father and mother," "Love your neighbor as yourself," "Give charity"). They are about actively performing good.
  • Negative Mitzvot: These are things we are commanded not to do (e.g., "Do not murder," "Do not steal," "Do not lie"). They are about refraining from harm.

Our text today deals with both kinds, showing us not only what we shouldn't do (like murder) but also what we must actively do (like save a life). When the text refers to the "Oral Tradition" (as mentioned by Steinsaltz 1:1:2, "the tradition of the Sages explaining the verse"), it's talking about the rich body of interpretations, discussions, and rulings that have been passed down orally from generation to generation, eventually written down in texts like the Talmud. This Oral Tradition often clarifies and expands upon the more concise written Torah, providing the practical details of how to fulfill the mitzvot. So, when Rambam says "The Oral Tradition explains," he's drawing on centuries of rabbinic wisdom to interpret the biblical verses. It's like having an instruction manual (the Torah) and then a detailed owner's guide with FAQs and troubleshooting (the Oral Tradition) to help you understand and apply everything properly.

Now, with that foundation, let's look at the text itself.

Text Snapshot

We're going to focus on a truly powerful section that brings home the active responsibility of saving a life.

"When, however, a person is pursuing a colleague with the intention of killing him... every Jewish person is commanded to attempt to save the person being pursued, even if it is necessary to kill the pursuer... If there is no way to be precise in one's aim and save the person being pursued without killing the rodef, one should kill him, even though he has not yet killed his victim." — Mishneh Torah, Murderer and the Preservation of Life 1:9

Key Term: Rodef

A rodef (pronounced "RO-def") is a pursuer, someone actively trying to harm another.

Close Reading

This short excerpt, and the larger chapter it comes from, is packed with profound insights into the Jewish perspective on life, death, and our responsibilities. Let's unpack a few of the most striking lessons.

Insight 1: The Paramountcy of Life and the Duty to Intervene (Pikuach Nefesh)

The text opens with the classic prohibition: "Do not murder" (Exodus 20:13). This is one of the Ten Commandments, a foundational principle for any civilized society. But Rambam doesn't stop there. He quickly pivots from the negative commandment (what not to do) to the positive, active commandment of preserving life. This is where the concept of Pikuach Nefesh comes in – the idea that saving a life is so important that it overrides almost every other Jewish law. Pikuach Nefesh (pronounced "pee-KOO-akh NEH-fesh") means "saving a life."

The text introduces the scenario of a rodef – a pursuer who intends to kill. In such an immediate, life-threatening situation, the law shifts dramatically. It's not just about the victim having the right to self-defense; it's about every Jewish person being commanded to intervene. "Every Jewish person is commanded to attempt to save the person being pursued, even if it is necessary to kill the pursuer." This isn't an option; it's an obligation. This perspective fundamentally reframes our relationship with others. We are not just passive observers; we are active guardians of each other's lives.

Think about it: if you see someone drowning, you don't stand on the shore debating the philosophical implications of intervention. You act. This text takes that instinct and elevates it to a divine command. It's a powerful statement about the interconnectedness of all humanity. My life is not just my own; it's also, in a very real sense, the community's concern. Your life is not just yours; it's also my concern.

This duty to intervene is so strong that it extends even to situations where the rodef has not yet committed the act of murder. The text states: "If there is no way to be precise in one's aim and save the person being pursued without killing the rodef, one should kill him, even though he has not yet killed his victim." This is a pre-emptive measure, not a punishment. It's about preventing the loss of life, not merely reacting to it. This stands in stark contrast to the laws regarding a murderer who has already committed the act, where they must be brought to court and judged (as the text explains later). The rodef situation is an emergency, an active threat, and demands immediate, decisive action.

To offer a different angle, one might ask: "Isn't this promoting vigilantism? Where's the justice system?" This is a good question and highlights an important nuance. The text carefully distinguishes between a rodef situation and a situation where a murder has already occurred. If someone has already killed, they must be brought before a court, witnesses must testify, and a legal process must unfold. This is to ensure justice, due process, and to prevent chaotic mob rule. However, when there is an active threat – when someone is pursuing another with intent to kill – the immediate danger to life overrides the need for a formal trial. The intervention isn't about punishment; it's about saving. It's a life-saving measure, pure and simple.

Furthermore, the text broadens the scope of what constitutes a "life-threatening" situation beyond just murder. Rambam tells us: "The laws of a rodef apply whether a person is pursuing a colleague with the intent of killing him, or a maiden that had been consecrated with the intent of raping her, as reflected by Deuteronomy 22:26, which establishes an equation between murder and rape." (Mishneh Torah, Murderer and the Preservation of Life 1:10). This is a crucial expansion. It equates rape with murder in terms of the severity of the act and the obligation to intervene, even to the point of killing the rapist. Why? Because Jewish tradition views the violation of a person's body and dignity as so profound that it can be likened to the destruction of their very being. As Steinsaltz on 1:10:2 explains: "Pursuing a maiden to rape her is equivalent to pursuing a person to kill them, and their law is the same: in both, it is a mitzvah to save, even at the cost of the pursuer's life." The phrase "consecrated maiden" (na'arah me'orasah, explained by Steinsaltz on 1:10:1 as "after betrothal and before marriage") emphasizes her particular vulnerability and protected status, but the principle applies broadly to any woman forbidden for sexual relations due to specific family ties or marital status (ervah). Steinsaltz on 1:11:1 confirms this: "The same rule applies to all other forbidden sexual relations (arayot) – it is a mitzvah to prevent rape, even by taking the life of the rapist." This is a powerful statement about protecting bodily autonomy and dignity.

The paramount value of life is further underscored by the phrase Rambam later quotes: "Whoever causes the loss of a Jewish soul is considered as if he destroyed the entire world, and whoever saves a Jewish soul is considered as if he saved the entire world." While the text specifically mentions a "Jewish soul," this teaching is widely interpreted in Jewish thought as applying to any human life. This highlights the infinite value of each individual. When we save a life, we are not just saving one person; we are saving their potential, their future generations, their unique contribution to the universe. It's a breathtaking concept that elevates every single human being to an irreplaceable treasure. Even when Steinsaltz comments on the initial prohibition of murder (1:1:1), he clarifies that "even regarding the murder of a non-Jew there is a prohibition," though the legal penalties might differ. This underscores the sanctity of all human life in Jewish ethics. This radical idea forms the bedrock of our ethical responsibility.

Insight 2: Nuance and Proportionality in Intervention

While the duty to intervene is absolute, the method of intervention is not a free-for-all. Rambam introduces crucial nuances regarding proportionality and the priority of minimal harm.

The text instructs: "If it is possible to save the pursued by damaging one of the limbs of the rodef, one should. Thus, if one can strike him with an arrow, a stone or a sword, and cut off his hand, break his leg, blind him or in another way prevent him from achieving his objective, one should do so." This is a powerful instruction for proportionality. The goal is to stop the rodef, not necessarily to kill them if a lesser intervention will suffice. It's about incapacitation first, and only escalating to lethal force if absolutely necessary. This demonstrates a profound respect for life, even the life of the aggressor. We are commanded to save the victim with the least amount of harm possible to the rodef. Imagine the self-control and clear thinking required in such a high-stakes situation! It's not about revenge or even justice in that moment, but pure, urgent preservation.

This principle is dramatically illustrated in the discussion about a pregnant woman facing life-threatening complications: "On this basis, our Sages ruled that when complications arise and a pregnant woman cannot give birth, it is permitted to abort the fetus in her womb, whether with a knife or with drugs. For the fetus is considered a rodef of its mother." This is a very sensitive and often misunderstood teaching, so let's be super clear. This is not a blanket permission for abortion. Instead, it applies the rodef principle to a specific, tragic medical emergency: when the fetus poses an immediate, life-threatening danger to the mother. In such a scenario, Jewish law views the fetus as a rodef – a pursuer – and permits intervention to save the mother's life. The mother's life takes precedence.

However, even within this difficult scenario, there is a critical boundary: "If the head of the fetus emerges, it should not be touched, because one life should not be sacrificed for another." Once the head has emerged, the fetus is considered to have achieved the status of a separate life. At that point, the principle of rodef no longer applies, because we are then dealing with two established lives, and Jewish law does not permit sacrificing one life to save another when both are fully viable. This nuance is incredibly profound, demonstrating the careful consideration given to the moment life is fully recognized and the limits of intervention. It's a stark reminder that even in desperate situations, Jewish law is meticulously precise in defining when and how life may be impacted.

The text further clarifies what situations do not warrant rodef-style intervention. For example, if someone is pursuing an animal to commit bestiality, or planning to perform forbidden labor on Shabbat, or to worship idols, even though these are severe transgressions, they do not permit killing the person before the act or without a court judgment. "The person should not be killed until he commits the transgression and is brought to court, convicted and executed." This distinction is vital: the rodef principle is reserved for immediate, direct threats to human life or dignity (like rape). Other serious sins, while gravely important, are handled through the regular court system and do not trigger the "kill the pursuer" rule. This shows that the extraordinary measure of taking a life to save another is carefully constrained and not applied to all serious wrongdoings.

Even when the situation does call for intervention, the text emphasizes proportionality. If a person could have prevented a murder or rape by merely maiming the rodef but instead killed them without attempting the lesser harm, they are "regarded as one who shed blood and is liable for death. Nevertheless, he should not be executed by the court." This means that while they might not face legal execution by a human court (because they did save a life), they are morally culpable for not adhering to the principle of minimal harm. It’s a very high ethical bar, reminding us that even in heroic acts, our choices matter.

Insight 3: Life as Divine Property and Broadened Responsibility

Perhaps one of the most fundamental theological statements in the entire text comes when Rambam discusses why ransom cannot be accepted for a murderer: "The rationale is that the soul of the victim is not the property of the blood redeemer, but the property of the Holy One, blessed be He. And He commanded, Numbers 35:31: 'Do not accept ransom for the soul of a murderer.'" This sentence changes everything. It declares that human life is not ultimately ours to bargain with, to own, or even to forgive away. Life belongs to God. This understanding elevates the sanctity of life beyond any human calculation of value. Because life is divine property, its destruction is an affront to God, and its preservation is a divine command. This explains why justice for murder is not merely a private matter for the victim's family (even with the role of the "blood redeemer" – go'el hadam).

The go'el hadam (pronounced "go-EL ha-DAM") is a family member, typically the closest male relative, who has the obligation to ensure justice for a murdered relative. In ancient times, this role was crucial for maintaining order and preventing blood feuds. However, Rambam clarifies that if the go'el hadam doesn't want to, or can't act, or if there isn't one, "the court executes the murderer by decapitation." This shows that while the family has a primary role, the ultimate responsibility for justice lies with the community and its legal system. Murder is a crime against society and against God, not just against an individual or family. The community, through its courts, must step in to uphold the sanctity of life, demonstrating that God's property must be protected. The text clarifies that whether the murder weapon was an "iron weapon" (a sword, as explained by Steinsaltz 1:1:3) or fire (Steinsaltz 1:1:4), the method of execution for a convicted murderer remains decapitation. This consistency reinforces the gravity of the crime, regardless of the means.

This divine ownership of life also underpins the broader commandment: "Do not stand idly by while your brother's blood is at stake" (Leviticus 19:16). This negative mitzvah is incredibly expansive. It's not just about stopping a rodef. Rambam lists numerous examples of what it means to not stand idly by:

  • Physical Danger: Seeing a colleague drowning, being attacked by robbers, or a wild animal. This requires direct intervention, or hiring others to intervene.
  • Informational Danger: Hearing malicious informers (mosrim) or gentiles conspiring to harm a colleague, and not notifying them of the danger. This highlights the importance of sharing critical information to protect others.
  • Social/Legal Danger: Knowing someone has a complaint against a colleague and being able to appease the aggressor, but failing to do so. This speaks to mediation and advocacy.

In essence, "Do not stand idly by" commands us to be actively concerned for the well-being of others in virtually any situation where their life, safety, or fundamental dignity is at risk. It turns passive observation into a failure of religious duty. It means we cannot simply say, "It's not my problem." If we can help, even indirectly, we must.

The severity of failing to act is emphasized by the cumulative transgressions: if one sees a rodef and fails to act, they "have negated the observance of the positive commandment: 'You must cut off her hand,' and have transgressed two negative commandments: 'You may not show pity,' and 'Do not stand idly by while your brother's blood is at stake.'" This layering of transgressions drives home the profound moral and spiritual weight of inaction. It’s not just a missed opportunity; it’s a triple violation. Even if there are no physical lashes given for these transgressions (because they involve inaction rather than a forbidden deed), Rambam states, "they are nevertheless very severe."

And it all culminates in that powerful, world-changing statement: "Whoever causes the loss of a Jewish soul is considered as if he destroyed the entire world, and whoever saves a Jewish soul is considered as if he saved the entire world." This isn't hyperbole; it's a theological truth. Because each life is a universe of potential, each interaction, each decision to help or not help, carries cosmic significance. This Jewish teaching invites us to view every person we encounter as an entire world, and every opportunity to help as an opportunity to save that world. It transforms our daily interactions, urging us to see beyond the surface and recognize the infinite value inherent in every human being.

Apply It

Okay, so this is some heavy stuff, right? Saving lives, intervening, cosmic significance! It might feel a bit overwhelming, like "What can I possibly do with all this?" Well, the beauty of Jewish learning is that it always brings these grand ideas down to practical, everyday actions. We're not all going to be stopping rodefim every day, thankfully! But the spirit of "Do not stand idly by" and the infinite value of each life can absolutely transform our daily lives, one tiny step at a time.

This week, let's try something I call "The Daily Life-Affirming Glimpse." It's a tiny, doable practice that takes less than a minute a day, but can have a profound impact on how you see the world and your place in it.

Step 1: The Daily Pause and Glimpse (10-20 seconds)

Once a day, pick a moment when you're in a public space or even just interacting with family or colleagues. This could be waiting in line at the coffee shop, walking down a street, riding public transport, during a work meeting, or even just sitting at your dinner table. For just 10-20 seconds, consciously pause. Instead of scrolling on your phone or getting lost in your own thoughts, simply look up and glimpse at the people around you.

  • Why this step? The first step to not standing idly by is simply noticing. In our busy, often distracted lives, it's easy to become oblivious to others. This pause helps us shift from a default mode of internal focus to external awareness. It's about developing a habit of conscious observation, training your eyes and heart to see the "worlds" around you. It's the micro-version of scanning for a rodef – not looking for danger, but for human connection and potential need.

Step 2: Identify a Small, Potential Need (10-20 seconds)

As you glimpse, try to identify one person who might, just might, benefit from a tiny bit of help or connection. This isn't about solving world hunger; it's about noticing the small stuff.

  • Examples of what to look for:
    • Someone with their hands full, struggling with a door.
    • Someone looking lost or confused, perhaps checking a map or their phone repeatedly.
    • A parent trying to manage a wiggly child and a task.
    • A colleague who looks particularly stressed or overwhelmed.
    • Someone who dropped something small (a pen, a glove).
    • Someone just looking a bit down or lonely.
  • Why this step? This step moves beyond passive observation to active, gentle empathy. It's about cultivating a mindset of helpfulness. You're not judging or assuming; you're simply opening yourself to the possibility that someone might appreciate a small gesture. It connects to the idea that even seemingly insignificant struggles can make a difference in someone's "world."

Step 3: Consider a Tiny, Safe Action (10-20 seconds)

Once you've identified a potential need, quickly think: "What's the smallest, easiest, safest, and most respectful thing I could do in this moment?"

  • Examples of tiny actions:
    • Holding the door open for an extra second.
    • A warm, genuine smile.
    • A quick, polite "Can I help you with that?" or "Are you looking for something?"
    • Picking up something small they dropped.
    • Offering a reassuring nod.
    • If it's a colleague, a simple "How are you really doing?" or "Can I grab you a coffee?"
    • If it's online, sending a supportive private message or sharing a helpful link.
  • Why this step? This is where the rubber meets the road. It trains your brain to move from thought to potential action, even if you don't always act. It emphasizes that Pikuach Nefesh isn't only about grand heroics, but also about the cumulative effect of small acts of kindness. By focusing on "tiny, safe, and respectful," we remove the pressure and fear of doing "the wrong thing" or overstepping boundaries. It makes the practice accessible and sustainable. It's about offering a hand, not imposing one.

Step 4: Act (If Appropriate and Safe)

If the opportunity feels right, and it's safe for you to do so, perform that tiny action. If not, don't worry! The act of noticing and considering is itself a powerful shift. You've still engaged in the spirit of "Do not stand idly by."

  • Why this step? This is the ultimate fulfillment of the mitzvah. Even if the person declines or doesn't need help, your offer or gesture has still affirmed their presence and value. You've sent a signal into the world: "I see you, and I care." If you do help, you've directly contributed to saving a "world" in a small but meaningful way, preventing a minor struggle from becoming a major frustration, or alleviating a moment of loneliness. This practice builds your "muscle" for empathy and responsiveness, making it more likely that you'll be able to act in more significant ways when truly needed.

This "Daily Life-Affirming Glimpse" is your way of internalizing the profound Jewish teaching that every life is an entire world. It's about turning abstract wisdom into concrete, minute-by-minute living, transforming your daily routine into a series of opportunities for connection and compassion. You might be surprised at how much brighter your own world feels when you actively look for ways to brighten others'.

Chevruta Mini

Now for a little chevruta time! Chevruta (pronounced "khev-ROO-tah") is a traditional Jewish way of learning where two people study a text together, discussing ideas, asking questions, and challenging each other in a friendly, collaborative way. It's about exploring, not necessarily finding a single "right" answer. Grab a friend, family member, or even just reflect on these questions yourself!

Question 1: The Line of Intervention

The text we studied today makes it clear that we have a strong obligation to intervene to save a life, even to the point of risking or taking the life of a pursuer (rodef). In our modern lives, most of us won't face such dramatic scenarios. However, the spirit of "Do not stand idly by" still applies. Where do you personally draw the line between your responsibility to intervene and respecting personal boundaries, privacy, or your own safety (physical, emotional, or social)?

  • Think about different kinds of situations: a heated argument between strangers, a friend making a poor life choice, someone struggling with mental health, or even someone doing something that's technically legal but seems morally questionable.
  • What factors influence your decision to step in or hold back? For example, your relationship with the person, the potential risk to yourself, or the perceived severity of the situation.
  • Are there times when "standing idly by" might actually be the more compassionate or responsible choice? What about when you're unsure if someone wants help, or if your help would be unwelcome?
  • How does the text's emphasis on proportionality (maiming before killing) inform your thoughts on intervening in less extreme situations? Does it suggest a "graduated response" in our everyday lives too, starting with the least intrusive help?

Question 2: Every Life, An Entire World

The teaching, "Whoever causes the loss of a Jewish soul is considered as if he destroyed the entire world, and whoever saves a Jewish soul is considered as if he saved the entire world," is incredibly powerful. How does this idea change the way you think about your daily interactions, even the very small ones?

  • Does knowing that each person is considered an "entire world" alter how you might treat a cashier, a delivery person, a difficult family member, or even someone you disagree with online?
  • Can a "small" act of kindness (like the ones we discussed in the "Apply It" section) truly be seen as "saving an entire world" in some sense? If so, how? And conversely, can a small act of neglect or unkindness be seen as "destroying a world"?
  • How might this idea influence your patience, your empathy, or your willingness to forgive?
  • Beyond individual interactions, how might this teaching inspire you to think about broader societal issues, like poverty, injustice, or environmental concerns, in terms of protecting "worlds"?
  • Does this teaching feel like a heavy burden of responsibility, or an inspiring invitation to see the profound value in everyday life?

Take your time with these questions. There are no right or wrong answers, just opportunities to explore and deepen your understanding of these profound Jewish ideas!

Takeaway

Jewish tradition teaches that actively preserving life and preventing harm, recognizing the infinite value of every single person, is one of our highest callings, a profound responsibility shared by all.

Citations

Mishneh Torah, Murderer and the Preservation of Life 1:9-11: https://www.sefaria.org/Mishneh_Torah%2C_Murderer_and_the_Preservation_of_Life_1