Cross reference
Proverbs 29:19
19 A servant can't be corrected by words. Though he understands, yet he will not respond.
Job 19:16
16 I call to my servant, and he gives me no answer; I beg him with my mouth.
Proverbs 26:3
3 A whip for the horse, A bridle for the donkey, And a rod for the back of fools!
Proverbs 30:22
22 For a servant when he is king; A fool when he is filled with food;