cruelty to animals is contrary to man's duty to himself, because it deadens in him the feeling of sympathy for their sufferings, and thus a natural tendency that is very useful to morality in relation to other human beings is weakened.
I sing, not arms and the hero, but the philosophic man: he who seeks in contemplation to discover the inner will of the world, ininvention to discover the means of fulfilling that will, and in action to do that will by the so-discovered means.