עֹזְבֵ֣י ת֭וֹרָה יְהַֽלְל֣וּ רָשָׁ֑ע וְשֹׁמְרֵ֥י ת֝וֹרָ֗ה יִתְגָּ֥רוּ בָֽם׃ (פ)
They that forsake the law praise the wicked; But such as keep the law contend with them.
Read halakhic rulings (Jewish law) on Proverbs 28:4: and classical halakhic sources.