¹⁵ A rod used for discipline gives wisdom,
but an undisciplined child disgraces his mother.

¹⁷ Discipline your son, and he will give you rest.
He will give delight to your soul.

¹⁹ A servant cannot be disciplined with words.
Although he understands, he shows no response.

²¹ If someone pampers his servant from the time he is young,
later on he will have grief.