יַסֵּ֣ר בִּ֭נְךָ כִּי־יֵ֣שׁ תִּקְוָ֑ה וְאֶל־הֲ֝מִית֗וֹ אַל־תִּשָּׂ֥א נַפְשֶֽׁךָ׃
Chasten thy son, for there is hope; But set not thy heart on his destruction. .
Rashi on Proverbs
Chastise your son for there is hope, but do not set your heart on his destruction Do not deal him a lethal blow.