They went out from us, but they were not of us; for if they had been of us, they would no doubt have contiued with us: But they went out, that they might be made manifest that they were not all of us. King Saul sent David out of his palace not because he need David to fight battles for him, but because he hated davids devotion to God. Satan's Gospel often pulls people away from the faith and the faithful church.