[3.] And thus heretics continue in their heresy, because they frequently make this enquiry, saying, some of them, “How was He begotten?” others, “How was He made flesh?” and subjecting that Infinite Essence to the weakness of their own reasonings. Knowing which, we ought to avoid this unseasonable curiosity, for they who search into these matters shall, without learning the “How,” fall away from the right faith. On this account Nicodemus, being in doubt, enquires the manner in which this can be, (for he understood that the words spoken referred to himself,) is confused, and dizzy, and in perplexity, having come as to a man, and hearing more than man’s words, and such as no one ever yet had heard; and for a while he rouses himself at the sublimity of the sayings, but yet is in darkness, and unstable, borne about in every direction, and continually falling away from the faith. And therefore he perseveres in proving the impossibility, so as to provoke Him to clearer teaching.