Proverbs 4:20 in the World English Bible
My son, attend to my words. Turn your ear to my sayings.
Context
19 The way of the wicked is as darkness: they know not at what they stumble.
20 My son, attend to my words; incline thine ear unto my sayings.
21 Let them not depart from thine eyes; keep them in the midst of thine heart.