Saying 12

12 Apply your heart to instruction and your ears to words of knowledge.

Saying 13

13 Do not withhold discipline from a child; if you punish them with the rod, they will not die.
14 Punish them with the rod and save them from death.

Saying 14

15 My son, if your heart is wise, then my heart will be glad indeed;
16 my inmost being will rejoice when your lips speak what is right.