Proverbs 23:12 KJV
Apply thine heart unto instruction, and thine ears to the words of knowledge.
Proverbs 23:10–14 KJV Chapter Context
10
Remove not the old landmark; and enter not into the fields of the fatherless:
11
For their redeemer is mighty; he shall plead their cause with thee.
12
Apply thine heart unto instruction, and thine ears to the words of knowledge.
13
Withhold not correction from the child: for if thou beatest him with the rod, he shall not die.
14
Thou shalt beat him with the rod, and shalt deliver his soul from hell.