מַשְׂכִּ֣יל עַל־דָּ֭בָר יִמְצָא־ט֑וֹב וּבוֹטֵ֖חַ בַּיהוָ֣ה אַשְׁרָֽיו׃
He that giveth heed unto the word shall find good; And whoso trusteth in the LORD, happy is he.
Read Jewish philosophical commentary on Proverbs 16:20: and classical philosophical sources.