The High Priest must perform the Yom Kippur service exactly as prescribed, in the proper order.
This mitzvah commands the Kohen Gadol to perform the unique Yom Kippur service (Avodat Yom HaKippurim) as detailed in Leviticus 16. It includes offering the bull for atonement, the goat for Hashem, the scapegoat (se’ir la’azazel), entering the Holy of Holies with incense, sprinkling blood, and concluding offerings. Rambam (Hilchot Avodat Yom HaKippurim 1:1) stresses that any deviation invalidates the service.
Sefer HaChinuch (Mitzvah 185) teaches that this mitzvah establishes a once-yearly purification of Israel and the Mikdash. The Talmud (Yoma 32a–34a) outlines the precise order, emphasizing that omissions or reversals invalidate the avodah. Rashi (Lev. 16:3) explains “with this” as denoting exact procedure. Ramban adds that Yom Kippur’s avodah symbolizes renewal of the covenant, where Israel and Hashem are reconciled.
Commentary & Classical Explanation:
Contrast with Yom Kippur Musaf (Mitzvah 389):
Parallel to Daily Service (Mitzvah 373):
Concerns the Beit HaMikdash, korbanot (offerings), and priestly service.
Represents the concept of spiritual intentionality, purity, and sanctity—set apart for a higher purpose.
Signifies awe and reverence toward Hashem—living with awareness of His greatness and presence.
Represents Emunah—the deep, inner trust in Hashem’s presence, oneness, and constant involvement in our lives. This badge symbolizes a heartfelt connection to G-d, rooted in belief even when we cannot see. It is the emotional and spiritual core of many mitzvot.
Mitzvot related to the Jewish festivals — their observance, rituals, prohibitions, and spiritual significance. This includes Torah-commanded holidays like Pesach, Shavuot, and Sukkot, as well as rabbinic celebrations such as Purim and Chanukah.
Mitzvot that define and deepen the relationship between a person and their Creator. These include commandments involving belief, prayer, Shabbat, festivals, sacrifices, and personal holiness — acts rooted in divine connection rather than human interaction.
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