This Bible contradiction is from the EvilBible.com.
God is all powerful
Jeremiah 32:27 View context
Behold, I [am] the LORD, the God of all flesh: is there any thing too hard for me?
Matthew 19:26 View context
But Jesus beheld [them], and said unto them, With men this is impossible; but with God all things are possible.
God is not all powerful
Judges 1:19 View context
And the LORD was with Judah; and he drave out [the inhabitants of] the mountain; but could not drive out the inhabitants of the valley, because they had chariots of iron.