The art of being wise is the art of knowing what to overlook.

Woe to him whose beliefs play fast and loose with the order which realities follow in his experience; they will lead him nowhere or else make false connections

Success or failure depends more upon attitude than upon capacity.

The great use of life is to spend it for something that will outlast it." "This life is worth living, we can say, since it is what we make it." "Believe that life is worth living and your belief will help create the fact.

There are no differences but differences of degree between different degrees of difference and no difference.

Both thought and feeling are determinants of conduct, and the same conduct may be determined either by feeling or by thought.

Man can change his life simply by changing his attitude.