2. These attributes, then, human nature took to itself from the side of the brutes; for those qualities with which brute life was armed for self-preservation, when transferred to human life, became passions; for the carnivorous animals are preserved by their anger, and those which breed largely by their love of pleasure; cowardice preserves the weak, fear that which is easily taken by more powerful animals, and greediness those of great bulk; and to miss anything that tends to pleasure is for the brutes a matter of pain. All these and the like affections entered man’s composition by reason of the animal mode of generation.