In the lips of him who has discernment wisdom is found, but a rod is for the back of him who is void of understanding.

He who spares his rod hates his son, but he who loves him chastens him promptly.

In the mouth of a fool is a rod of pride, but the lips of the wise shall preserve them.

He who sows iniquity shall reap calamity, and the rod of his wrath shall fail.

Foolishness is bound up in the heart of a child, [but] the rod of correction shall drive it far from him.

A whip for the horse, a bridle for the donkey, and a rod for the back of fools.

The rod and reproof give wisdom, but a child left to himself causes shame to his mother.