"As a great man's influence never ends, so also there is not definite finality, no end, to a great survey; it runs along for centuries, ever responsive to the strain of the increasing needs of a growing population and an enlarging domain."

"I have started that which the country will not willingly let die."

"The atmosphere is much too near for dreams. It forces us to action. It is close to us. We are in it and of it. It rouses us both to study and to do. We must know its moods and also its motive forces."

"My boyhood life in New York City has impressed me with the popular ignorance and also with the great need of something better than local lore and weather proverbs."

"I have a theory that the best ads come from personal experience. Some of the good ones I have done have really come out of the real experience of my life, and somehow this has come over as true and valid and persuasive."

"Today, over half of China's undergraduate degrees are in math, science technology and engineering, yet only 16 percent of America's undergraduates pursue these schools."

"I became kind of a drop-out in science after I came back to America. I wanted to photograph."

"Vast is the field of Science. The more a man knows, the more he will find he has to know."