Proverbs 22:15
"Foolishness is bound in the heart of a child; but the rod of correction shall drive it far from him."
Cross References (ranked by relevance)
He that spareth his rod hateth his son: but he that loveth him chasteneth him betimes.
The rod and reproof give wisdom: but a child left to himself bringeth his mother to shame.
Chasten thy son while there is hope, and let not thy soul spare for his crying.
Correct thy son, and he shall give thee rest; yea, he shall give delight unto thy soul.
Among whom also we all had our conversation in times past in the lusts of our flesh, fulfilling the desires of the flesh and of the mind; and were by nature the children of wrath, even as others.
Behold, I was shapen in iniquity; and in sin did my mother conceive me.