Proverbs 19:18
Chasten thy son while there is hope, and let not thy soul spare for his crying.
Proverbs 13:24
He who spares his rod hates his son, but he who loves him chastens him promptly.
Proverbs 29:15
The rod and reproof give wisdom, but a child left to himself causes shame to his mother.
Proverbs 22:15
Foolishness is bound up in the heart of a child, [but] the rod of correction shall drive it far from him.
Proverbs 29:17
Correct thy son, and he will give thee rest, yea, he will give delight to thy soul.
Hebrews 12:7-10
Because of chastening ye endure; God is treating you as with sons, for what son is there whom a father does not chasten?