40. That good loves truth and wills to be conjoined with it, may also be illustrated by comparison with food and water, or with bread and wine. Both are necessary. Food or bread alone effects nothing in the body in the way of nourishment; it does so only together with water or with wine; and therefore the one has an appetite and longing for the other. Moreover in the Word "food" and "bread" mean good, in the spiritual sense; and "water" and "wine" mean truth.