If you want a quality, act as if you already had it.

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

There is only one thing a philosopher can be relied upon to do, and that is to contradict other philosophers.

A great many people think they are thinking when they are merely rearranging their prejudices.

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

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

Human beings, by changing the inner attitudes of their minds, can change the outer aspects of their lives.

There is only one thing a philosopher can be relied upon to do, and that is to contradict other philosophers.