They cannot indulge in any detailed or merely logical defense of life; that would delay the enjoyment of it. These higher optimists, of whom Dickens was one, do not approve of the universe; they do not even admire the universe; they fall in love with it. They embrace life too close to criticize or even to see it. Existence to such men has the wild beauty of a woman, and those love her with most intensity who love her with least cause.