Don't go around saying the world owes you a living. The world owes you nothing. It was here first.

Everything in life is luck.

To affect the quality of the day, that is the highest of arts.

The great use of life is to spend it for something that will outlast it.

The art of life is to know how to enjoy a little and to endure very much.

Here is the test to find whether your mission on Earth is finished: if you're alive, it isn't.

It is one of the beautiful compensations in this life that no one can sincerely try to help another without helping himself.

Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment.

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

A person will sometimes devote all his life to the development of one part of his body - the wishbone.