Daf Yomi · Beginner – Jewish Basics · Standard

Chullin 57

StandardBeginner – Jewish BasicsJune 26, 2026

Hook

Have you ever stood in the grocery aisle, staring at ten different brands of the exact same item, completely paralyzed by decision fatigue? Or have you ever argued with a family member about the "correct" way to load the dishwasher, secretly wondering if there is an objective, universal rulebook for life's tiny details? We often crave absolute certainty. We want a single, clear voice to tell us exactly what is right, what is wrong, and how to navigate the messy spaces in between. When people first look at ancient Jewish texts, they often expect to find exactly that: a rigid, black-and-white set of rules designed to keep everyone marching in perfect, identical steps.

But today, we are diving into a page of the Talmud Chullin 57a that blows that assumption right out of the water. In this text, we meet ancient scholars who do not always agree. We see communities with completely different customs living side-by-side in peace. We even meet an ancient rabbi who acts like a backyard scientist, using a simple cloak and a hot summer day to test whether a biblical verse about ants is literally true. This text invites us to embrace a beautiful truth: Jewish wisdom is not about uniform conformity. It is about curiosity, localized community, and the courage to ask questions. Whether you are trying to make a tough career choice, navigate a family disagreement, or simply find your own path, this text offers a refreshing perspective. It shows us that there is room for your unique voice, your local "river," and your active curiosity. Let's take a deep breath and explore this rich world together.

Context

To help us feel at home in this text, let's look at the basic coordinates of where, when, and what we are reading:

  • Where and When It Happened: This text comes from the Babylonian Talmud Chullin 57a, which was compiled roughly between the 3rd and 6th centuries of the Common Era. The conversations we are reading take place in two vibrant ancient hubs of Jewish life: Babylonia (modern-day Iraq) and Eretz Yisrael (the Land of Israel). These two communities were constantly talking, sending messengers back and forth, and sometimes debating how to live out their shared heritage.
  • Who is Speaking: We meet several key players here. First, there is Rav, a towering 3rd-century teacher who moved from Israel to Babylonia and founded a famous academy. Next, we meet Rav Huna, his brilliant student who took over the leadership. We also meet Rabbi Shimon ben Chalafta, a colorful scholar from Israel who lived a bit earlier and was known for his love of nature and hands-on scientific experiments. Finally, we hear from Rabbi Yochanan, the leading teacher in Israel, who loved beautiful descriptions and compared a bird's lungs to delicate rose petals.
  • What is the Tractate: This lesson comes from Tractate Chullin Chullin 57a. Chullin is a word that means "ordinary" or "mundane" things. In this context, it refers to the daily laws of food prep that are not connected to the ancient Temple. It is the ultimate guide to the practicalities of eating.
  • The Key Term: To understand this page, we need to define one central concept: tereifa. A tereifa is an animal with physical defects making it non-kosher. Originally, the word referred to an animal torn by wild beasts, but the Sages expanded it to mean any animal with a life-threatening injury or illness. If an animal is a tereifa, it cannot be eaten. The scholars on this page are trying to figure out where the line is between a temporary, healable injury and a fatal defect that makes the animal unfit to eat.

To make sure we are all on the same page, here are a few quick definitions of terms we will use:

  • Talmud: Jewish oral law commentary.
  • Mishnah: Earliest written compilation of Jewish oral laws.
  • Gemara: Rabbinic commentary analyzing the Mishnah.
  • Halakha: Jewish law guiding daily life and practice.
  • Kosher: Fit or proper for use according to Jewish law.
  • Sages: Ancient Jewish scholars who studied and taught Torah.

Now that we have our bearings, let's look at the text itself!

Text Snapshot

Let's look at two beautiful moments from this page of the Talmud Chullin 57a (which you can explore further at the exact Sefaria URL: https://www.sefaria.org/Chullin_57):

Rav Huna said that Rav said: A dislocated femur in a bird is kosher... Rabba bar Rav Huna said to Rav Huna: But the Rabbis that came from Pumbedita said that Rav Yehuda says in the name of Rav: A dislocated femur in a bird renders it a tereifa [unfit to eat]. Rav Huna said to him: "My son, each river and its course." That is, different communities observe different customs.

And later on the same page, the Talmud relates:

They said about Rabbi Shimon ben Chalafta that he was a researcher of matters... He saw that it is written: "Go to the ant, you sluggard; consider her ways, and be wise; which having no chief, overseer, or ruler, provides her bread in the summer" Proverbs 6:6-8. Rabbi Shimon said: I will go and see if it is correct that they have no king.

Close Reading

Insight 1: "Each River and Its Course" — The Beauty of Local Wisdom

Let's start with one of the most famous and comforting phrases in the entire Talmud: "Each river and its course" (nahara nahara upasteih). In our modern world, we often assume that there must be one right way to do things. We search the internet for the "perfect" parenting style, the "ultimate" productivity hack, or the "correct" way to live. When we find out that different people have different ways of doing things, we often feel anxious. We think, "Well, one of us must be wrong!"

But the Sages of the Talmud viewed things differently. In our text, we see a fascinating debate about a bird with a dislocated leg bone. Rav Huna says that his teacher, Rav, ruled that such a bird is kosher. But then, his colleague points out that other scholars from the town of Pumbedita claim that Rav ruled the exact opposite—that the bird is unfit to eat!

Instead of panic, instead of calling a council to declare one group wrong, Rav Huna gives a beautiful, relaxed response: "My son, each river and its course."

What does this mean? Think of a river. A river is a powerful, life-giving source of water. But a river does not flow in a straight line. It winds around rocks, bends through valleys, and carves out its own unique path based on the terrain it encounters. One river might flow gently to the east; another might rush rapidly to the south. Both are rivers. Both carry fresh water. Both sustain life.

In the same way, human communities carve out different paths. The people of Pumbedita had their own historical customs, their own local teachers, and their own unique sensibilities. The people of other towns had theirs. Rav Huna recognized that Jewish law is not a rigid concrete highway; it is a living river that adapts to the landscape of the people who live by it.

As Rashi Rashi on Chullin 57a:10:1 points out, these teachers were constantly traveling back and forth. In his commentary, Rashi (a classic medieval French commentator on the Talmud) explains that Rabbi Zeira and Rabbi Abba both migrated from Babylonia to the Land of Israel at different times. When they met, they compared notes on what they had learned back home. They didn't try to erase their differences. They celebrated them as part of their journey.

This teaches us a profound lesson for our own lives. You do not have to live your life exactly like your neighbor, your friend, or even your family members. Your family, your neighborhood, and your personal history are your "river." Your choices will naturally take a different course than someone else’s. And that is not just okay—it is beautiful. It is how the ecosystem of human wisdom thrives. When we learn to accept that "each river has its course," we can stop judging others for their paths and start focusing on flowing beautifully along our own.

Insight 2: "The Rabbi and the Ant" — Faith Meets Backyard Science

Now let's look at Rabbi Shimon ben Chalafta, who the Talmud calls a "researcher of matters." This is such a delightful title! In a religious tradition, we might expect a great leader to spend all his time sitting in a study hall, eyes closed, meditating on abstract concepts. But Rabbi Shimon was a man of action, a hands-on observer of the natural world.

He reads a verse in the Book of Proverbs: "Go to the ant, you sluggard; consider her ways, and be wise; which having no chief, overseer, or ruler, provides her bread in the summer" Proverbs 6:6-8.

Instead of just nodding his head and saying, "Well, King Solomon wrote it, so it must be true," Rabbi Shimon decides to test it. He wants to see for himself! He goes out into the fields during the hot summer month of Tammuz. He knows that ants hate the intense heat and prefer to stay in their cool underground homes. So, he devises an experiment. He spreads his cloak over an ant hole to create an artificial patch of shade.

Sure enough, one ant comes out, finds the shade, and runs back down to tell the others. When all the other ants come out to work in the shade, Rabbi Shimon lifts his cloak, exposing them to the hot sun. In their frustration, the ants turn on the first ant and kill it.

Rabbi Shimon concludes: "Aha! They really have no king! If they had a king, they would have needed a royal decree to execute their fellow ant. Instead, they acted on their own communal instinct."

Even though other rabbis later raise playful objections to his scientific method (wondering if perhaps the king was actually there, or if they had a standing order), the Talmud preserves this story with great respect. Why? Because Judaism deeply values empirical observation and healthy skepticism.

Our tradition does not ask us to check our brains at the door. It invites us to be "researchers of matters." When we read ancient teachings, we are encouraged to ask: How does this work in the real world? What does my own experience tell me?

As the modern commentator Rabbi Adin Steinsaltz notes in his explanation of this page Steinsaltz on Chullin 57a:1, the Sages were deeply invested in understanding the physical reality of the world around them. They studied animal anatomy, windpipes, and lungs not just as abstract legal concepts, but as physical truths. When Rabbi Yochanan describes a bird's lungs as looking like "a rose petal between the wings," he is using his eyes. He is looking at the beauty of the world and finding meaning in it.

You, too, are allowed to be a researcher of matters. You can test ideas, observe your own life, and use your mind to explore how ancient wisdom fits into your modern reality. Your curiosity is not a threat to your spiritual journey; it is the very engine that drives it forward.

Insight 3: "The Healing Hen" — The Power of Resilience and Adaptation

The third insight comes from a fascinating discussion about what happens when an animal or bird suffers a severe injury. The Sages debate whether a bird with a dislocated leg can ever truly recover. Some argue that a dislocated femur is a fatal defect (tereifa), while others point out real-world examples of survival.

We hear a story about a hen belonging to Rabbi Shimon ben Chalafta. The hen’s leg was dislocated, which would normally make it unfit. But instead of giving up on the bird, they made a support for its leg out of a hollow reed. And guess what? The hen lived!

We also hear about an even more dramatic experiment: Rabbi Shimon had a hen that had lost all its feathers (its down was completely removed). According to some opinions, this should have been a fatal condition. But Rabbi Shimon placed the hen in a warm oven, covered it with a cozy leather apron used by coppersmiths, and took care of it. Not only did the hen survive, but it actually grew back even more beautiful, lush feathers than it had before!

This story is recorded in the Talmud Chullin 57a and discussed by later commentators like the Rosh Rosh on Chullin 3:50:2 (a prominent medieval German-Spanish Talmudic commentator). It highlights a profound truth about the nature of life: the capacity for healing and resilience is often far greater than we think.

Sometimes, we go through difficult times that leave us feeling broken, plucked of our strength, or dislocated from our normal routines. We look at ourselves and think, "I am ruined. I will never be the same again." We might feel like we are a tereifa—damaged goods, unfit for our purpose.

But this text gently reminds us of the power of rehabilitation. With the right support—whether that is a simple reed to lean on, a warm space to rest, or a protective apron to shield us from the cold—we can heal. And like Rabbi Shimon's hen, we might even grow back stronger, wiser, and more beautiful than we were before the injury.

The Sages of the Talmud were not just talking about poultry; they were talking about the human condition. They recognized that life is fragile, but it is also incredibly stubborn. The Talmudic discussions about whether an injured animal can survive for twelve months show a deep respect for the mystery of life. Even when the rules say a creature shouldn't survive, life finds a way.

When you face a setback, remember the hen with the reed support. Do not rush to declare yourself permanently broken. Give yourself the time, the warmth, and the support you need to regenerate. Your story is not over just because you have been hurt.

Apply It

How do we bring these ancient ideas about "rivers," "ants," and "healing hens" into our busy modern lives without adding more stress to our plates?

Here is a tiny, 60-second daily practice you can try this week. We call it The 60-Second "River Check-In."

Every day, at some point when you feel a wave of frustration or judgment wash over you—perhaps when you see a coworker doing a task "the wrong way," or when your partner makes a decision you don't quite understand, or even when you find yourself judging your own unique path—take a deep breath and do this:

  1. Stop and Breathe (15 seconds): Close your eyes and take one deep, slow breath. Let go of the need to control the situation.
  2. Say the Phrase (15 seconds): Whisper to yourself (either out loud or in your mind) the words of Rav Huna: "Each river and its course."
  3. Offer Space (30 seconds): Remind yourself that there is more than one way to flow through life. If you are judging someone else, think: "Their river is taking a different bend than mine, and that is okay." If you are judging yourself, think: "My river is winding right now, and I am allowed to take my time."

This tiny practice does not require you to change your beliefs, buy anything, or sign up for a class. It simply offers you a moment of daily relief from the pressure of perfectionism. It is a gentle reminder that life is a winding stream, not a rigid canal. By giving others—and yourself—the space to flow naturally, you invite peace into your day in less than a minute.

Give it a try for just one week. You might find that your daily stress levels drop, and your curiosity about the world begins to grow.

Chevruta Mini

In Jewish tradition, we rarely study alone. We study in a chevruta, which is a friendly partnership for studying Jewish texts together. Studying with a partner helps us see things we might have missed on our own.

Here are two friendly questions to discuss with a friend, a partner, or even to ponder in your own journal this week:

  1. Your Personal River: Rav Huna spoke about how "each river has its course" to explain why different towns had different customs. What is one "custom" or habit in your own life (how you start your morning, how you handle stress, or how you celebrate) that feels unique to your own personal "river"? How does it differ from the people around you?
  2. Being a Researcher: Rabbi Shimon ben Chalafta went out into the summer heat to see if the ants really had no king. Is there an assumption or a piece of advice you’ve always taken for granted that you’d love to test out for yourself? What would your backyard "experiment" look like?

Takeaway

Remember this: You don't have to fit into a perfect mold; your life is a unique river meant to find its own beautiful course through curiosity and resilience.