[36] [cap.8] That then which is shown is that thing so worthy of being beheld, so worthy of being contemplated, so worthy of being beloved, the perfect good, the nature of which is to change and sweeten the bitternesses of the soul, the most [38] beautiful additional seasoning, full of all kinds of sweetnesses, by the addition of which, even those things which are not nutritious become salutary food; for it is said, that "the Lord showed him (Moses) a tree, and he cast it into the water," [39] that is to say, into the mind, dissolved, and relaxed, and full of bitterness, that it might become sweetened and serviceable.