[126] [cap.34] And this will also be proved by the oracle which was given to the all-wise Moses, in which these words are contained: "Behold, is there not Aaron thy brother, the Levite? I know that he will speak for thee; and behold he will be coming forth to meet thee, and he will rejoice in himself when he seeth thee." [83] For here the Creator says, that he knows that uttered speech is a burden to the mind, because it speaks; [84] [85] [86] for he represents it, that is to say, articulate sound, as the organ, as it were, of all this concrete being of ours.