יֹ֤סֵ֨ר ׀ לֵ֗ץ לֹקֵ֣חַֽ ל֣וֹ קָל֑וֹן וּמוֹכִ֖יחַ לְרָשָׁ֣ע מוּמֽוֹ׃
He that correcteth a scorner getteth to himself shame, and he that reproveth a wicked man, it becometh unto him a blot.
Read halakhic rulings (Jewish law) on Proverbs 9:7: and classical halakhic sources.