Oh, what a god is this! everywhere perverse; nowhere rational; in all cases vain; and therefore a nonentity!—in whose state, and condition, and nature, and every appointment, I see no coherence and consistency; no, not even in the very sacrament of his faith! For what end does baptism serve, according to him? If the remission of sins, how will he make it evident that he remits sins, when he affords no evidence that he retains them? Because he would retain them, if he performed the functions of a judge. If deliverance from death, how could he deliver from death, who has not delivered to death? For he must have delivered the sinner to death, if he had from the beginning condemned sin. If the regeneration of man, how can he regenerate, who has never generated? For the repetition of an act is impossible to him, by whom nothing any time has been ever done. If the bestowal of the Holy Ghost, how will he bestow the Spirit, who did not at first impart the life? For the life is in a sense the supplement of the Spirit. He therefore seals man, who had never been unsealed in respect of him; washes man, who had never been defiled so far as he was concerned; and into this sacrament of salvation wholly plunges that flesh which is beyond the pale of salvation!
Tertullian
The Five Books Against Marion, Book I
Chapter XXVIII