Mishneh Torah, Positive Mitzvot 167-248

Sugya Map

• Issue: The d'Oraita (Biblical) status and nature of Tefillah (prayer).
• Nafka Mina(s): The fundamental obligation for prayer, its frequency, and what constitutes "service of the heart" (עבודת הלב).
• Primary Sources: Rambam, Mishneh Torah, Positive Mitzvot (provided text); Exodus 23:25; Rambam, Hilchot Tefillah 1:1; Ramban, Hasagot to Sefer HaMitzvot, Mitzvat Aseh 5.

Text Snapshot

"To pray, as [Exodus 23:25] states: 'And you shall serve God, your Lord.' This service is prayer." (Mishneh Torah, Positive Mitzvot, as provided in prompt)

• Dikduk/Leshon nuance: Rambam's definitive "וזו היא התפילה" equates the general Biblical command of "service" (עבודה) with the specific act of "prayer," a critical exegetical move that defines a core mitzvah.

Readings

• Rambam: Posits prayer is a d'Oraita positive commandment, derived from Exodus 23:25. He clarifies in Hilchot Tefillah (1:1) that the Biblical command is to pray daily, though its specific form, number, and fixed times are Rabbinic.
• Ramban (Hasagot to Sefer HaMitzvot, Mitzvat Aseh 5): Contends regular, fixed prayer is d'Rabbanan. He argues "וַעֲבַדְתֶּם" refers either to Temple service or a general call to cry out to God in times of distress, not a daily, universal obligation to pray.

Friction

• Kushya: How does Rambam derive a d'Oraita daily prayer obligation from a general "service" command, given the Torah's lack of specificity on how or when?
• Terutz: Rambam's nuance is that the essence of prayer—heartfelt supplication and praise (עבודת הלב)—is the d'Oraita "service." Rabbinic enactments merely provide a structured framework, fulfilling this underlying Biblical imperative. (Rambam, Hilchot Tefillah 1:1, Kesef Mishneh ad loc.)

Intertext

• Deuteronomy 11:13: "וּלְעָבְדוֹ בְּכָל לְבַבְכֶם וּבְכָל נַפְשְׁכֶם" (And to serve Him with all your heart and with all your soul). This verse serves as a cornerstone for Rambam's understanding of Avodah sheb'Lev as prayer.
• Berachot 26b: "איזוהי עבודה שבלב? זו תפילה" (What is service of the heart? This is prayer). This Gemara explicitly links Avodah sheb'Lev to prayer, a foundational Rabbinic source for Rambam's position.

Psak/Practice

While the Shulchan Aruch (Orach Chayim 106:1) states the three daily prayers are d'Rabbanan, Rambam's d'Oraita concept of prayer as Avodah sheb'Lev profoundly shapes hashkafa. It establishes prayer as an indispensable, fundamental act of Divine connection.

Takeaway

Rambam's identification of "service" with "prayer" elevates Avodah sheb'Lev to a Biblical imperative, making heartfelt communication with God a foundational mitzvah.