This Bible contradiction is from the Infidels.org.

Verses

Matthew 12:30 View context

He that is not with me is against me; and he that gathereth not with me scattereth abroad.

Mark 9:40 View context

For he that is not against us is on our part.

Luke 9:50 View context

And Jesus said unto him, Forbid [him] not: for he that is not against us is for us.