Cross reference
Proverbs 29:19
19 A servant will not be trained by words; for though the sense of the words is clear to him, he will not give attention.
Job 19:16
16 At my cry my servant gives me no answer, and I have to make a prayer to him.
Proverbs 26:3
3 A whip for the horse, a mouth-bit for the ass, and a rod for the back of the foolish.
Proverbs 30:22
22 A servant when he becomes a king; a man without sense when his wealth is increased;