Proverbs 3:29 Halakhah

אַל־תַּחֲרֹ֣שׁ עַל־רֵעֲךָ֣ רָעָ֑ה וְהֽוּא־יוֹשֵׁ֖ב לָבֶ֣טַח אִתָּֽךְ׃

Devise not evil against thy neighbour, Seeing he dwelleth securely by thee.

Read halakhic rulings (Jewish law) on Proverbs 3:29: and classical halakhic sources.