"The forceps of our minds are clumsy forceps, and crush the truth a little in taking hold of it."

"Adapt or perish, now as ever, is nature's inexorable imperative."

"The past is but the beginning of a beginning."

"Human history becomes more and more a race between education and catastrophe."

"When I see an adult on a bicycle, I do not despair for the future of the human race."

"It becomes a bore doing imaginative books that do not touch imaginations, and at length one stops even planning them."

"See, the problem is that God gives men a brain and a penis, and only enough blood to run one at a time."

"Successful innovators recognize that discovery of great ideas come from looking at the same thing as everyone else and observing something different."

"He who tells a lie is not sensible of how great a task he undertakes; for he must be forced to invent twenty more to maintain that one."

"Jealousy would be far less torturous if we understood that love is a passion entirely unrelated to our merits."

"Do what you fear and fear disappears."

"Man can believe the impossible, but man can never believe the improbable."