They withdrew from us, but they did not belong to us; had they belonged to us, they would have remained with us, but they withdrew to make it plain that they are none of us.
Those 'on the rock' are people who on hearing the word welcome it with enthusiasm, but they have no root; they believe for a while and fall away in the hour of trial.
But the solid foundation laid by God remains, and this is its inscription: the Lord knows who are his, and 'let everyone who names the name of the Lord give up evil.'
but anyone who drinks the water I shall give him will never thirst any more; the water I shall give him will turn into a spring of water welling up to eternal life."
I say this, because a number of impostors have emerged in the world, men who will not acknowledge the coming of Jesus Christ in the flesh; that marks the real 'impostor' and 'antichrist.'