19 is the man who deceives his neighbor and says, "Am I not joking?"
Proverbs 26:19 Cross References - NHEB
Proverbs 10:23
23 It is a fool's pleasure to do wickedness, but wisdom is a man of understanding's pleasure.
Proverbs 14:9
9 Fools mock at making atonement for sins, but among the upright there is good will.
Proverbs 15:21
21 Folly is joy to one who is void of wisdom, but a man of understanding keeps his way straight.
Ephesians 5:4
4 nor filthiness, nor foolish talking, nor jesting, which are not appropriate; but rather giving of thanks.
2 Peter 2:13
13 suffering the penalty as the wages of evil; people who count it pleasure to revel in the daytime, spots and blemishes, reveling in their deceit while they feast with you;