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

Verses

7000

1 Chronicles 18:4 View context

And David took from him a thousand chariots, and seven thousand horsemen, and twenty thousand footmen: David also houghed all the chariot [horses], but reserved of them an hundred chariots.

700.

2 Samuel 8:4 View context

And David took from him a thousand [chariots], and seven hundred horsemen, and twenty thousand footmen: and David houghed all the chariot [horses], but reserved of them [for] an hundred chariots.