In today’s world there are so many versions of Christianity, in this it can be hard to determine who is preaching Truth and who is not. The verse below is a good example of the how we should approach this situation. We should test every messenger against the world if God to see if it is from God.

http://bible.com/111/1jn.4.1.niv Dear friends, do not believe every spirit, but test the spirits to see whether they are from God, because many false prophets have gone out into the world.
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