62

Not to engage in astrology

The Luchos - Ten Commandments
לֹ֥א תֹאכְל֖וּ עַל־הַדָּ֑ם לֹ֥א תְנַחֲשׁ֖וּ וְלֹ֥א תְעוֹנֵֽנוּ׃ - פָּרָשַׁת קְדשִׁים
Leviticus 19:26 - "You shall not eat over the blood. You shall not act on the basis of omens or lucky hours."

This Mitzvah's Summary

מִצְוָה עֲשֵׂה - Positive Commandment
מִצְוָה לֹא תַעֲשֶׂה - Negative Commandment
Idolatry – עֲבוֹדָה זָרָה

It is forbidden to practice astrology or rely on the stars to predict events or guide decisions.

This mitzvah prohibits itztagninut (astrology), the belief that celestial arrangements govern human fate. Rambam declares astrology falsehood, calling it foolishness that undermines Torah and free will. The Talmud discusses astrology at length, acknowledging that stars may have influence in nature, but firmly teaching “ein mazal l’Yisrael” — Israel is not bound by constellations. Rashi interprets astrology as part of onen, the superstitious reliance on times and seasons. Ramban admits that celestial forces exist within creation but insists that Torah elevates Israel above them, anchoring destiny in mitzvot and divine providence. Sefer HaChinuch warns that astrology enslaves the mind, removing responsibility from human choice and undermining emunah. The Midrash illustrates this in the story of Avraham, who was told by Hashem to abandon astrology and trust His promise of children.

Commentary & Classical Explanation:

  • Rambam (Sefer HaMitzvot, Lo Ta’aseh 32; Hilchot Avodat Kochavim 11:9): Declares astrology false and prohibited; Israel is governed by Torah and providence, not stars.
  • Sefer HaChinuch (Mitzvah 251): Explains that astrology undermines free will and faith in Hashem.
  • Talmud (Shabbat 156a): Records debate among Sages; some grant stars influence, but the conclusion is “ein mazal l’Yisrael” — Israel rises above fate through Torah.
  • Rashi (Lev. 19:26): Identifies astrology as part of onen, linked to times and cycles.
  • Ramban (Deut. 18:9): Notes celestial influence but insists Torah lifts Israel above mazal.
  • Midrash Tanchuma (Lech Lecha 5): Avraham was commanded to leave behind astrology; Hashem reoriented his destiny, proving divine providence overrides stars.
  • Rambam (Moreh Nevuchim III:29): Criticizes astrology as unfounded and destructive to wisdom, urging reliance on Divine law instead.

Contrast with…

  • Mitzvah 61 (Not to Go into a Trance): Mitzvah 61 prohibits trance or time-based enchantments; Mitzvah 62 prohibits formal reliance on celestial systems. Rambam (Avodat Kochavim 11:4 vs. 11:9) distinguishes between earthly omens and cosmic astrology.

Parallel to…

  • Mitzvah 1 (To Know There Is a G-d): True knowledge of Hashem requires rejecting belief in cosmic intermediaries. Trust in stars denies divine sovereignty.
  • Genesis 15:5: Hashem tells Avraham, “Go out from your astrology” (tzei mei’itztagninut shelcha). This passage embodies the Torah’s rejection of astrology.
  • Jeremiah 10:2: “Learn not the way of the nations, and do not be dismayed at the signs of heaven.” A direct biblical parallel to this prohibition.
(Source: Chabad.org)

Applying this Mitzvah Today

Horoscopes and Zodiac Signs

  • Rambam (Hilchot Avodat Kochavim 11:9) calls astrology divrei sheker (falsehoods). Reading horoscopes or planning life around zodiac predictions undermines reliance on Hashem’s providence.

Astrology-Based Dating & Guidance Apps

  • Sefer HaChinuch (251) insists destiny is shaped by mitzvot and choices. Modern dating or career apps that match people by zodiac signs replicate pagan error, reducing human dignity to star charts.

“Mercury Retrograde” and Cosmic Anxiety

  • Ramban (Deut. 18:9) concedes natural influences exist but affirms “ein mazal l’Yisrael.” Popular fears of planetary alignments causing chaos (e.g., “Mercury retrograde”) contradict Jewish trust in divine providence.

Astrology in Business & Politics

  • Talmud (Shabbat 156a) rejects determinism in commerce or governance. Consulting astrologers for financial predictions or political strategies repeats ancient pagan practices, denying Torah’s teaching that success comes from Hashem.

Modern Spiritual Movements

  • Midrash Tanchuma (Lech Lecha 5) shows Avraham was lifted above astrology. Today, many New Age practices blend yoga or meditation with astrology charts. While mindfulness may be positive, astrology remains prohibited as superstition.

Healthy Alternatives — Torah as True Guidance

  • Rambam (Moreh Nevuchim III:29) insists true wisdom lies in Torah, not the stars. Practically, Jews turn to halacha, prayer, and emunah — affirming that “there is none besides Him” (Deut. 4:35). This replaces fear of constellations with confidence in Hashem’s providence.

Notes on this Mitzvah's Fundamentals

Idolatry – עֲבוֹדָה זָרָה

  • Rambam (Hilchot Avodat Kochavim 11:9) links astrology to foreign worship. Talmud (Shabbat 156a) insists Israel is above mazal. Sefer HaChinuch (251) warns astrology corrupts belief by treating stars as intermediaries.

Thought – מַחֲשָׁבָה

  • Rashi (Lev. 19:26) equates astrology with onen, corrupting the mind with cycles of time. Ramban stresses reliance on mazal warps Jewish thought away from Torah.

Faith – אֱמוּנָה

  • Sefer HaChinuch (251) explains astrology denies free will and undermines emunah. Rambam (Moreh Nevuchim III:29) calls it irrational, demanding Jews root faith in Hashem instead.

Reverence – יִרְאַת שָׁמַיִם

  • Ramban (Deut. 18:9) emphasizes awe of Heaven replaces awe of stars. Jeremiah 10:2 commands Israel not to fear “the signs of heaven.”

Holiness – קְדֻשָּׁה

  • Midrash Tanchuma (Lech Lecha 5) shows Avraham attained holiness when leaving astrology behind. Holiness means cleaving to Hashem, not constellations.

Community – קְהִלָּה

  • Talmud (Shabbat 156a) reveals astrology was a pervasive cultural practice among the nations. Rejecting it preserved Israel’s identity as a distinct community.

Between a person and G-d – בֵּין אָדָם לְמָקוֹם

  • Rambam and Sefer HaChinuch both affirm that turning from astrology directly strengthens the relationship with Hashem. Israel must live by Torah, not constellations.

This Mitzvah's Fundamental Badges

Idolatry - עֲבוֹדָה זָרָה

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Mitzvot that prohibit worship of false gods and practices associated with idol worship.

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Thought - מַחֲשָׁבָה

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Relates to internal intentions, beliefs, and mindfulness in performing mitzvot or avoiding transgressions.

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Faith - אֱמוּנָה

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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.

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Reverence - יִרְאַת שָׁמַיִם

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Signifies awe and reverence toward Hashem—living with awareness of His greatness and presence.

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Holiness - קְדֻשָּׁה

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Represents the concept of  spiritual intentionality, purity, and sanctity—set apart for a higher purpose.

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Between a person and G-d - בֵּין אָדָם לְמָקוֹם

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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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