That is why in this case, as with all other growths, the doctrine can be exterminated in its earliest stages. As time goes on its powers of resistance increase, until at the approach of age it gives way to younger elements, but under another form and from other motives.

The fact remains that nearly all attempts to exterminate a doctrine, without having some spiritual basis of attack against it, and also to wipe out all the organizations it has created, have led in many cases to the very opposite being achieved; and that for the following reasons:

642