Just as water, gas, and electricity are brought into our houses from far off to satisfy our needs in response to a minimal effort, so we shall be supplied with visual or auditory images, which will appear and disappear at a simple movement of the hand, hardly more than a sign.

History is the science of what never happens twice.

Growing nations should remember that, in nature, no tree, though placed in the best conditions of light, soil, and plot, can continue to grow and spread indefinitely.

If disorder is the rule with you, you will be penalized for installing order.

Serious people have few ideas. People with ideas are never serious.

Great things are accomplished by those who do not feel the impotence of man. This is a precious gift.

to live means to lack something at every moment