Life swings like a pendulum backward and forward between pain and boredom.

After your death you will be what you were before your birth.

I believe a person of any fine feeling scarcely ever sees a new face without a sensation akin to a shock, for the reason that it presents a new and surprising combination of unedifying elements.

Because Christian morality leaves animals out of account, they are at once outlawed in philosophical morals; they are mere 'things,' mere means to any ends whatsoever. They can therefore be used for vivisection, hunting, coursing, bullfights, and horse racing, and can be whipped to death as they struggle along with heavy carts of stone. Shame on such a morality that is worthy of pariahs, and that fails to recognize the eternal essence that exists in every living thing, and shines forth with inscrutable significance from all eyes that see the sun!

Buying books would be a good thing if one could also buy the time to read them in: but as a rule the purchase of books is mistaken for the appropriation of their contents.

The present is the only reality and the only certainty.

Every satisfaction he attains lays the seeds of some new desire, so that there is no end to the wishes of each individual will.