לֵ֣ךְ מִ֭נֶּגֶד לְאִ֣ישׁ כְּסִ֑יל וּבַל־יָ֝דַ֗עְתָּ שִׂפְתֵי־דָֽעַת׃
Go from the presence of a foolish man, for thou wilt not perceive the lips of knowledge.
Read kabbalistic (mystical) interpretation of Proverbs 14:7: and classical mystical sources.