6231. And He said unto me, Behold I will make thee fruitful, and will cause thee to be multiplied. That this signifies vivification through the good of charity and the truth of faith, is evident from the signification of "being made fruitful," as being said of the good of charity, and of "being multiplied," as being said of the truths of faith (see n. 43, 55, 913, 983, 2846, 2847). As these are what make man live, vivification is predicated of them.