Classicly

The lion went towards them, as they came, but, when he stood before them, he suddenly lost courage. He could not understand this himself, for there was not another thing in the forest that he feared. But the two new animals had such strange eyes and walked the earth so fearlessly that he thought they must possess some mysterious power which he could not see. There was nothing particular about their teeth; and their claws were not worth speaking of. But something about them there must be.