This Bible contradiction is from the EvilBible.com.
There is an unpardonable sin
Mark 3:29 View context
But he that shall blaspheme against the Holy Ghost hath never forgiveness, but is in danger of eternal damnation:
There is not unpardonable sin
Acts 13:39 View context
And by him all that believe are justified from all things, from which ye could not be justified by the law of Moses.