Many people know so little about what is beyond their short range of experience. They look within themselves - and find nothing! Therefore they conclude that there is nothing outside themselves either.

Self-pity is our worst enemy and if we yield to it, we can never do anything wise in this world.

Better to be blind and see with your heart, than to have two good eyes and see nothing.

Making a mistake is falling down; failure is not getting up again.

Few pleasures there are indeed without an aftertouch of pain, but that is the preservation which keeps them sweet.

The test of all beliefs is their practical effect in life. If it be true that optimism compels the world forward, and pessimism retards it, then it is dangerous to propagate a pessimistic philosophy.

The few who profit from the labor of the masses want to organize the workers into an army which will protect the interests of the capitalists.