The population of the world is a conditional population; these are not the best, but the best that could live in the existing state of soils, gases, animals, and morals: the best that could yet live; there shall be a better, please God.
Man is a rope stretched between the animal and the Superman-a rope over an abyss. A dangerous crossing, a dangerous wayfaring, a dangerous looking-back, a dangerous trembling and halting
A healthy-minded boy should feel hearty contempt for the coward and even more hearty indignation for the boy who bullies girls or small boys, or tortures animals.
The ulterior motives with which you absorb and assimilate Evil are not your own but those of Evil.
The animal wrests the whip from its master and whips itself in order to become master, not knowing that this is only a fantasy produced by a new knot in the master's whiplash.
He had been content with daily labour and rough animal enjoyments, 'till Catherine crossed his path. Shame at her scorn, and hope of her approval, were his first prompts to higher pursuits; and, instead of guarding him from one and winning him to the other, his endeavors to raise himself had produced just the contrary result.
Animal experimentation is the blackest of all the black crimes that a man is at present committing... We should be able to refuse to live if the price of living be the torture of sentient beings... I abhor [animal] experimentation with my whole soul. All the scientific discoveries stained with innocent blood I count as of no consequence... The greatness of a nation and its moral progress can be judged by the way its animals are treated.
Nature has willed that man should, by himself, produce everything that goes beyond the mechanical ordering of his animal existence, and that he should partake of no other happiness or perfection than that which he himself, independently of instinct, has created by his own reason.
Have you any notion how many books are written about women in the course of one year? Have you any notion how many are written by men? Are you aware that you are, perhaps, the most discussed animal in the universe?
All animals go through interminable hard labor to produce what humans shamelessly rob from them at great physical/mental pain to them and to their young. THINK TWICE before using hot 'merchandise'!!!
The harmony of a concert, to which you listen with delight, must have on certain classes of minute animals the effect of terrible thunder; perhaps it kills them.