This Bible contradiction is from the EvilBible.com.
Christ's mission was peace
Luke 2:13-14 View context
And suddenly there was with the angel a multitude of the heavenly host praising God, and saying,
Glory to God in the highest, and on earth peace, good will toward men.
Christ's mission was not peace
Matthew 10:34 View context
Think not that I am come to send peace on earth: I came not to send peace, but a sword.