לֵ֣ב צַ֭דִּיק יֶהְגֶּ֣ה לַעֲנ֑וֹת וּפִ֥י רְ֝שָׁעִ֗ים יַבִּ֥יעַ רָעֽוֹת׃
The heart of the righteous studieth to answer; But the mouth of the wicked poureth out evil things.
Read halakhic rulings (Jewish law) on Proverbs 15:28: and classical halakhic sources.