They went out from us, but they didn't belong to us; for if they had belonged to us, they would have continued with us. But they left, that they might be revealed that none of them belong to us.
For there is only a most slender prospect that any who are deceived in the church will ever be brought to true repentance there; and slight as is the hope that one who apostatizes will be, such an event is much more probable than it would be if he remained in the church. People are more likely to be converted when their character is known and understood, than they are when playing a game of deception, or are themselves deceived. What is here affirmed of these persons often occurs now; and those who have no true religion are often suffered to apostatize from their profession for the same purposes. It is better that they should cease to have any connection with the church than that they should remain in it; and God often suffers them to fall away even from the profession of religion, in order that they may not do injury as professing Christians. This very important passage, then, teaches the following things: