מִפְּרִ֣י פִי־אִ֭ישׁ תִּשְׂבַּ֣ע בִּטְנ֑וֹ תְּבוּאַ֖ת שְׂפָתָ֣יו יִשְׂבָּֽע׃
A man’s belly shall be filled with the fruit of his mouth; With the increase of his lips shall he be satisfied.
Read halakhic rulings (Jewish law) on Proverbs 18:20: and classical halakhic sources.