

It is forbidden to engage in Ov, a necromantic practice of summoning the dead or spirits.
This mitzvah prohibits the occult practice of Ov, which the Talmud (Sanhedrin 65a) describes as conjuring the voices of the dead through ritual means, often by channeling sound through one’s body or bones. Rambam (Hilchot Avodat Kochavim 11:13) defines it as fraudulent necromancy used to trick seekers into believing they received divine or spiritual messages.
Sefer HaChinuch (Mitzvah 255) teaches that Ov endangers emunah (faith), drawing people to illusions instead of Hashem. Rashi (Lev. 19:31) emphasizes that consulting Ov renders a person spiritually defiled, while Ramban underscores that even if some effects seem real, they are impure forces leading to idolatry. Midrash (Tanchuma Shoftim §9) frames Ov as replacing Torah’s voice with false whispers, severing the covenant.
Commentary & Classical Explanation:
Contrast with Mitzvah 48 (Not to perform Yidoni):
Parallel to Mitzvah 42 (Not to prophesy in idols’ name):
Rejecting the Occult in Modern Form
Spiritual Authenticity over Illusion
Guarding Against Exploitation
Faith in Hashem’s Providence



It is forbidden to engage in Ov, a necromantic practice of summoning the dead or spirits.
This mitzvah prohibits the occult practice of Ov, which the Talmud (Sanhedrin 65a) describes as conjuring the voices of the dead through ritual means, often by channeling sound through one’s body or bones. Rambam (Hilchot Avodat Kochavim 11:13) defines it as fraudulent necromancy used to trick seekers into believing they received divine or spiritual messages.
Sefer HaChinuch (Mitzvah 255) teaches that Ov endangers emunah (faith), drawing people to illusions instead of Hashem. Rashi (Lev. 19:31) emphasizes that consulting Ov renders a person spiritually defiled, while Ramban underscores that even if some effects seem real, they are impure forces leading to idolatry. Midrash (Tanchuma Shoftim §9) frames Ov as replacing Torah’s voice with false whispers, severing the covenant.
Commentary & Classical Explanation:
Contrast with Mitzvah 48 (Not to perform Yidoni):
Parallel to Mitzvah 42 (Not to prophesy in idols’ name):
Rejecting the Occult in Modern Form
Spiritual Authenticity over Illusion
Guarding Against Exploitation
Faith in Hashem’s Providence




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