Proverbs 19:27 in the World English Bible
If you stop listening to instruction, my son, you will stray from the words of knowledge.
Context
26 He that wasteth his father, and chaseth away his mother, is a son that causeth shame, and bringeth reproach.
27 Cease, my son, to hear the instruction that causeth to err from the words of knowledge.
28 An ungodly witness scorneth judgment: and the mouth of the wicked devoureth iniquity.