It is difficult to find happiness within oneself, but it is impossible to find it anywhere else.

What a man is: that is to say, personality, in the widest sense of the word; under which are included health, strength, beauty, temperament, moral character, intelligence, and education.

There is one respect in which beasts show real wisdom... their quiet, placid enjoyment of the present moment.

All religions promise a reward beyond life, in eternity, for excellences of the will or heart, but none for excellences of the head or understanding.

Reading is equivalent to thinking with someone else's head instead of with one's own.

alent is like the marksman who hits a target which others cannot reach; genius is like the marksman who hits a target, as far as which others cannot even see.

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!