We are more ready to try the untried when what we do is inconsequential. Hence the remarkable fact that many inventions had their birth as toys.

In running away from ourselves we either fall on our neighbor's shoulder or fly at his throat.

The search for happiness is one of the chief sources of unhappiness.

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.

The individual who has to justify his existence by his own efforts is in eternal bondage to himself.

America is still the best country for the common man -- white or black ... if he can't make it here he won't make it anywhere else.

The autonomous individual, striving to realize himself and prove his worth, has created all that is great in literature, art, music, science and technology. The autonomous individual, also, when he can neither realize himself nor justify his existence by his own efforts, is a breeding call of frustration, and the seed of the convulsions which shake our world to its foundations.