To speak in literature with the perfect rectitude and insouciance of the movements of animals and the unimpeachable of the sentiment of trees in the woods and grass by the roadside is the flawless triumph of art.
About sacrifice and the offering of sacrifices, sacrificial animals think quite differently from those who look on: but they have never been allowed to have their say.
I spend a hell of a lot of time killing animals and fish so I wouldn't kill myself. When a man is in rebellion against death, as I am in rebellion against death, he gets pleasure out of taking to himself one of the godlike attributes; that of giving it.
The higher animals get their teeth without pain or inconvenience. Man gets his through months and months of cruel torture; he will never get a set which can really be depended on 'till a dentist makes him one.
The knowledge of the soul admittedly contributes greatly to the advance of truth in general, and, above all, to our understanding of Nature, for the soul is in some sense the principle of animal life.
I do not see any reason why animals should be slaughtered to serve as human diet when there are so many substitutes. After all, man can live without meat.
And not only did he learn by experience, but instincts long dead became alive again. The domesticated generations fell from him. In vague ways he remembered back to the youth of the breed, to the time the wild dogs ranged in packs through the primeval forest and killed their meat as they ran it down.
The virtue of a faculty is related to the special function which that faculty performs. Now there are three elements in the soul which control action and the attainment of truth: namely, Sensation, Intellect, and Desire. Of these, Sensation never originates action, as is shown by the fact that animals have sensation but are not capable of action.