Cross reference
Proverbs 23:13
13 Do not keep back training from the child: for even if you give him blows with the rod, it will not be death to him.
Proverbs 13:24
24 He who keeps back his rod is unkind to his son: the loving father gives punishment with care.
Proverbs 19:18
18 Give your son training while there is hope; let not your heart be purposing his death.
Proverbs 29:15
15 The rod and sharp words give wisdom: but a child who is not guided is a cause of shame to his mother.
Proverbs 29:17
17 Give your son training, and he will give you rest; he will give delight to your soul.