443. The reason why the pleasures of conjugial love are the delights of wisdom is that only spiritual people can enjoy that love, and a spiritual person is in a state of wisdom. As a result he embraces only pleasures which agree with his spiritual wisdom. The nature of the pleasures of scortatory love and those of conjugial love can be illustrated by comparing them with houses. We may compare the pleasures of scortatory love with a house, the walls of which have a reddish glint outside like shells, or with the deceptive colour of gold seen in the mineral mica, also called selenite; but the rooms inside the walls are full of filth and rubbish of every kind. The pleasures of conjugial love, however, can be likened to a house the walls of which glisten with fine gold, and the rooms inside glow with the treasures of the highest value with which they are crammed.