This Bible contradiction is from the EvilBible.com.

Verses

Christ's witness of himself is true

John 8:14 View context

Jesus answered and said unto them, Though I bear record of myself, [yet] my record is true: for I know whence I came, and whither I go; but ye cannot tell whence I come, and whither I go.

John 8:18 View context

I am one that bear witness of myself, and the Father that sent me beareth witness of me.

Christ's witness of himself is not true

John 5:31 View context

If I bear witness of myself, my witness is not true.