"Everything tends to make us believe that there exists a certain point of the mind at which life and death, the real and the imagined, past and future, the communicable and the incommunicable, high and low, cease to be perceived as contradictions."

"No one who has lived even for a fleeting moment for something other than life in its conventional sense and has experienced the exaltation that this feeling produces can then renounce his new freedom so easily."

"All my life, my heart has yearned for a thing I cannot name."

"I have always been amazed at the way an ordinary observer lends so much more credence and attaches so much more importance to waking events than to those occurring in dreams... Man... is above all the plaything of his memory."

"Just after World War II, this country led the world in science by every way you could measure it, yet the number of scientists was a tiny proportion of what it is now."

"We must always emphasize research and development of science and mathematics, and I can think of no better way to achieve this than through our future in space."

"You cannot run a business, or anything else, on a theory."

"While gossip among women is universally ridiculed as low and trivial, gossip among men, especially if it is about women, is called theory, or idea, or fact."