257. Faith, however, embraced by man in such a manner that he intends to prescribe his own faith, effects nothing, but [only] that faith which is insinuated, given, and as it were, infused by God Messiah. For to acquire faith by oneself, from one's own imagination, is only a phantasy which does not ascend. But here arise some things to be observed, as, how man can know that faith is given by God Messiah, and very many other things.