This Bible contradiction is from the EvilBible.com.
God's anger is fierce and endures long
Numbers 32:13 View context
And the LORD'S anger was kindled against Israel, and he made them wander in the wilderness forty years, until all the generation, that had done evil in the sight of the LORD, was consumed.
Numbers25:4 View context
And the LORD said unto Moses, Take all the heads of the people, and hang them up before the LORD against the sun, that the fierce anger of the LORD may be turned away from Israel.
Jeremiah 17:4 View context
And thou, even thyself, shalt discontinue from thine heritage that I gave thee; and I will cause thee to serve thine enemies in the land which thou knowest not: for ye have kindled a fire in mine anger, [which] shall burn for ever.
God's anger is slow and endures but for a minute
Psalms 103:8 View context
The LORD [is] merciful and gracious, slow to anger, and plenteous in mercy.
Psalms 30:5 View context
For his anger [endureth but] a moment; in his favour [is] life: weeping may endure for a night, but joy [cometh] in the morning.