[137] [cap.25] Those also who have inquired what it is that nourishes the soul, for as Moses says, "They knew not what it was," learnt at last and found that it was the word of God and the divine reason, from which flow all kinds of instinctive and everlasting wisdom. This is the heavenly nourishment which the holy scripture indicates, saying, in the character of the cause of all things, "Behold I rain upon you bread from heaven;" [71]