Proverbs 22:17 in the King James Version
Bow down thine ear, and hear the words of the wise, and apply thine heart unto my knowledge.
Context
16 Whoever oppresses the poor for his own increase and whoever gives to the rich, both come to poverty.
17 Turn your ear, and listen to the words of the wise. Apply your heart to my teaching.
18 For it is a pleasant thing if you keep them within you, if all of them are ready on your lips.