לֹֽא־תִקֹּ֤ם וְלֹֽא־תִטֹּר֙ אֶת־בְּנֵ֣י עַמֶּ֔ךָ וְאָֽהַבְתָּ֥ לְרֵעֲךָ֖ כָּמ֑וֹךָ אֲנִ֖י יְהוָֽה׃
Nie pomstuj, i nie chowaj gniewu za synów narodu twego; a miłuj bliźniego twego jako samego siebie: Jam Wiekuisty!
Jerusalem Talmud Nedarim
HALAKHAH: It is written: “You should not take revenge or nurse hatred against your fellow countrymen.” How is that? He was cutting meat and the knife fell down on his hand. Should he go and hit his hand65Should he punish the hand which held the knife for injuring his other hand? Since all Jews are responsible for one another (Babli Sanhedrin 27b), hitting one’s neighbor is like hitting himself.?
Duties of the Heart
Negative commandments of the duties of the heart are the converse of those just mentioned. Also included among them: to not covet, avenge, nor bear a grudge; as written "you shall not avenge nor bear a grudge" (Levit. 19:18).
Noam Elimelekh
Love thy neighbor as thyself: As it says in the Zohar Hakadosh, that the soul has a refined clothing that it wears in the garden of Eden. This is akin to the limbs of the body. The soul constantly desires to love the Creator Blessed be He. However, the body, that is an unrefined material, needs to be driven and commanded to "Love they neighbor." The Lord is called "neighbor." As it says in proverbs: Your neighbor and friend of your father. "As thyself" refers to the soul that is "like you" as in the example of the body. And the way in which the soul loves the Creator in a complete love, the body agrees with her and loves the Creator in truth.