This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Well, maybe, if he gets mad again.

Malachi 4:6 View context

And he shall turn the heart of the fathers to the children, and the heart of the children to their fathers, lest I come and smite the earth with a curse.

No, he'll never do it again.

Genesis 8:21 View context

And the LORD smelled a sweet savour; and the LORD said in his heart, I will not again curse the ground any more for man's sake; for the imagination of man's heart [is] evil from his youth; neither will I again smite any more every thing living, as I have done.