לֵ֣ךְ מִ֭נֶּגֶד לְאִ֣ישׁ כְּסִ֑יל וּבַל־יָ֝דַ֗עְתָּ שִׂפְתֵי־דָֽעַת׃
Rashi on Proverbs
Go far away from a foolish wisdom. Do not always associate with him.
Rashi on Proverbs
or you will know lips of knowledge You will eventually not know wisdom.
לֵ֣ךְ מִ֭נֶּגֶד לְאִ֣ישׁ כְּסִ֑יל וּבַל־יָ֝דַ֗עְתָּ שִׂפְתֵי־דָֽעַת׃