When a man claims to have heard from God and prophesies (about the future), the only way to tell he really did hear from God who cannot shoot and miss, is that what he says happens, just as he said it would.
I have been a worker of iniquity, a lover of my sins, and a different gospel. Dear friend, we have believed a false gospel. And we preached that false gospel. We are not Christians! I write this letter to you in tears.