It is startling to realize how much unbelief is necessary to make belief possible.

The majority prove their worth by keeping busy. A busy life is the nearest thing to a purposeful life.

There is probably an element of malice in our readiness to overestimate people - we are, as it were, laying up for ourselves the pleasure of later cutting them down to size.

Nature is a self-made machine, more perfectly automated than any automated machine. To create something in the image of nature is to create a machine, and it was by learning the inner working of nature that man became a builder of machines.

To the excessively fearful the chief characteristic of power is its arbitrariness. Man had to gain enormously in confidence before he could conceive an all-powerful God who obeys his own laws.

In human affairs, the best stimulus for running ahead is to have something we must run from.

Unlimited opportunities can be as potent a cause of frustration as a paucity or lack of opportunities.