In the deepest heart of all of us there is a corner in which the ultimate mystery of things works sadly.

To neglect the wise sayings of great thinkers is to deny ourselves the truest education.

The greatest empiricists among us are only empiricists on reflection: when left to their instincts, they dogmatize like infallible popes.

Between what a man calls me and what he simply calls mine the line is difficult to draw. We feel and act about certain things that are ours very much as we feel and act about ourselves.

I don't sing because I'm happy; I'm happy because I sing.

Tension is a habit. Relaxing is a habit. Bad habits can be broken, good habits formed.

Our esteem for facts has not neutralized in us all religiousness. It is itself almost religious. Our scientific temper is devout.