58. All the delight, pleasure, and happiness which anyone has, are derived from his ruling love, and are according to it; for that which man loves, he calls delightful, because he feels it to be so: he may, indeed, also call that delightful which he thinks but does not love; but this is not the delight of his life. The delight of love is what he esteems good; and that which is undelightful is to him evil.