Proverbs 29:15
The rod and reproof give wisdom: but a child left to himself brings his mother to shame.
Topicalbible.org—AKJV

Proverbs 22:15
Foolishness is bound in the heart of a child; but the rod of correction shall drive it far from him.
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Proverbs 13:24
He that spares his rod hates his son: but he that loves him chastens him betimes.
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Proverbs 23:13-14
Withhold not correction from the child: for if you beat him with the rod, he shall not die.
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