Origen

“ Moreover, that it is in agreement with the spirit of Christianity, of much more importance to give our assent to doctrines upon grounds of reason and wisdom than on that of faith merely, and that it was only in certain circumstances that the latter course was desired by Christianity, in order not to leave men altogether without help, is shown by that genuine disciple of Jesus, Paul, when he says: “For after that, in the wisdom of God, the world by wisdom knew not God, it pleased God by the foolishness of preaching to save them that believe.” ”

“ But since Celsus has declared it to be a saying of many Christians, that “the wisdom of this life is a bad thing, but that foolishness is good,” we have to answer that he slanders the Gospel, not giving the words as they actually occur in the writings of Paul, where they run as follow: “If any one among you seemeth to be wise in this world, let him become a fool, that he may become wise. ”

“ As if we were to say that the Platonist, who believes in the immortality of the soul, and in the doctrine of its metempsychosis, [2] incurs the charge of folly with the Stoics, who discard this opinion ”