

The Torah forbids desiring in one’s heart what belongs to another — an inner craving that can lead to pressure, manipulation, or theft.
This mitzvah legislates the world of machshavah — the concealed space of the heart. Unlike Lo Sachmod (Mitzvah 476), which forbids acting to obtain another’s possessions, Lo Tis’aveh / Lo Sachmod b’lev addresses the initial desire itself.
Rambam (Hilchos Gezeilah 1:9–10) rules that one violates this issur by setting his heart upon another’s property, even without speech or action. The Torah demands that a Jew recognize Hashem as the Distributor of possessions — “מברך ה' חילו” (Devarim 33:11).
Rashi writes (Shemos 20:14) that unchecked desire is the root from which theft and immorality sprout. Ramban emphasizes that this mitzvah trains a person not to fantasize about inappropriate acquisitions — guarding the imagination from corruption.
Sefer HaChinuch (416) explains that the mitzvah instills emunah and menuchas hanefesh — a conviction that whatever one does not have, he does not need, for Hashem assigns each person his exact portion.
Midrash Tanchuma (Shoftim 10) draws a stark comparison: one who fixates on possessions substitutes bitachon with material worship — a subtle form of avodah zarah.
This mitzvah stands as a profound declaration: Holiness begins in the heart.
Commentary & Classical Explanation
Contrast with Mitzvah 476 (Not to covet and scheme to acquire another’s possession)
Parallel with Mitzvah 4 (To love Hashem)
Guarding the Heart
Emunah and Bitachon
Mussar Against Jealousy
Jewish Communal Peace
Sanctity of Machshavah
Healthy Relationship Boundaries
Countering the Envy Culture
By cultivating a heart free from forbidden desire, a Jew brings shalom, emunah, and kedushah into every relationship — beginning within their own soul.



The Torah forbids desiring in one’s heart what belongs to another — an inner craving that can lead to pressure, manipulation, or theft.
This mitzvah legislates the world of machshavah — the concealed space of the heart. Unlike Lo Sachmod (Mitzvah 476), which forbids acting to obtain another’s possessions, Lo Tis’aveh / Lo Sachmod b’lev addresses the initial desire itself.
Rambam (Hilchos Gezeilah 1:9–10) rules that one violates this issur by setting his heart upon another’s property, even without speech or action. The Torah demands that a Jew recognize Hashem as the Distributor of possessions — “מברך ה' חילו” (Devarim 33:11).
Rashi writes (Shemos 20:14) that unchecked desire is the root from which theft and immorality sprout. Ramban emphasizes that this mitzvah trains a person not to fantasize about inappropriate acquisitions — guarding the imagination from corruption.
Sefer HaChinuch (416) explains that the mitzvah instills emunah and menuchas hanefesh — a conviction that whatever one does not have, he does not need, for Hashem assigns each person his exact portion.
Midrash Tanchuma (Shoftim 10) draws a stark comparison: one who fixates on possessions substitutes bitachon with material worship — a subtle form of avodah zarah.
This mitzvah stands as a profound declaration: Holiness begins in the heart.
Commentary & Classical Explanation
Contrast with Mitzvah 476 (Not to covet and scheme to acquire another’s possession)
Parallel with Mitzvah 4 (To love Hashem)
Guarding the Heart
Emunah and Bitachon
Mussar Against Jealousy
Jewish Communal Peace
Sanctity of Machshavah
Healthy Relationship Boundaries
Countering the Envy Culture
By cultivating a heart free from forbidden desire, a Jew brings shalom, emunah, and kedushah into every relationship — beginning within their own soul.




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