Words of Comfort: Errors and mistakes in the Bible?

“How do I break through to the spiritual conversation when someone I am trying to witness to tries to constantly bring up ‘errors’ or ‘mistakes’ in the Bible, such as ‘Joshua speaking to the sun to stand still rather than the earth to stop moving,’ or differences in the gospels such as ‘One gospel says there was more than one man in chains in the cave possessed with legions of demons and another gospel says there was one man possessed with legions of demons?’”
The human mind is in a place of c...