The unrest which keeps the never stopping clock of metaphysics going is the thought that the nonexistence of this world is just as possible as its existence.

Probably a crab would be filled with a sense of personal outrage if it could hear us class it without ado or apology as a crustacean, and thus dispose of it. 'I am no such thing,' it would say; 'I am MYSELF, MYSELF alone.'

An unlearned carpenter of my acquaintance once said in my hearing: There is very little difference between one man and another, but what there is is very important.'

To be a real philosopher all that is necessary is to hate someone else's type of thinking.

Religion is a monumental chapter in the history of human egotism.

Our civilization is founded on the shambles, and every individual existence goes out in a lonely spasm of helpless agony.

Genius ... means little more than the faculty of perceiving in an unhabitual way.

the deepest principle in Human Nature is the craving to be appreciated.

...human beings can alter their lives by altering the attitudes of the mind.

Believe that life is worth living, and your belief will help create the fact.