Contradiction with Psalm 30:5
This verse states "For his anger endureth but a moment; in his favour is life," suggesting that wrath is fleeting, contrasting with the more fearsome depiction of a king's wrath in Proverbs 19:12.
Psalm 30:5: For his anger [endureth but] a moment; in his favour [is] life: weeping may endure for a night, but joy [cometh] in the morning. [his anger...: Heb. there is but a moment in his anger] [for a night: Heb. in the evening] [joy: Heb. singing]
Contradiction with Psalm 103:8
Describes the Lord as "slow to anger", which contradicts the fierce and immediate comparison of a king’s wrath to a roaring lion in Proverbs 19:12.
Psalm 103:8: The LORD [is] merciful and gracious, slow to anger, and plenteous in mercy. [plentious...: Heb. great in mercy]
Contradiction with James 1:19-20
Advises being "slow to wrath", which contradicts the depiction of wrath in Proverbs 19:12 as something unleashed powerfully like a lion's roar.
James 1:19-20: Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath:
Contradiction with Ecclesiastes 7:9
Warns against being "quickly provoked in your spirit", suggesting restraint rather than the intense wrath likened to a lion's roar in Proverbs 19:12.
Ecclesiastes 7:9: Be not hasty in thy spirit to be angry: for anger resteth in the bosom of fools.