"Inventor: A person who makes an ingenious arrangement of wheels, levers and springs, and believes it civilization."

"Experience - the wisdom that enables us to recognise in an undesirable old acquaintance the folly that we have already embraced."

"If money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability."

"The only real security that a man can have in this world is a reserve of knowledge, experience and ability."

"I cannot discover that anyone knows enough to say definitely what is and what is not possible."

"I am looking for a lot of men who have an infinite capacity to not know what can't be done."

"Reason obeys itself; and ignorance submits to whatever is dictated to it."

"The final event to himself has been, that as he rose like a rocket, he fell like the stick."

"It occurred to me in my junior year of high school. I got my first letter from a big college. I still have that letter to this day - a letter from Indiana."

"You practice Monday through Friday in college, or Monday through Saturday in the pro's - and then you just go out and knock somebody's head off."

"I was in California, and I was going to UCLA, and I knew I certainly didn't have movie star looks. I remember seeing pictures and photos of Ethel Merman and Mary Martin, who were kind of average looking. I said, 'Well, that's for me, then, to go back to New York and try to be in musical comedy on Broadway.'"

"What I do will be straight up. Management knows that."

"People only know what they see on TV."

"Science is a way to call the bluff of those who only pretend to knowledge. It is a bulwark against mysticism, against superstition, against religion misapplied to where it has no business being."

"Science is only a Latin word for knowledge"

"You could just as well say that an agnostic is a deeply religious person with at least a rudimentary knowledge of human fallibility."

"Sailors on a becalmed sea, we sense the stirring of a breeze."

"An organism at war with itself is doomed."

"Time and health are two precious assets that we don't recognize and appreciate until they have been depleted."

"Atoms are mainly empty space. Matter is composed chiefly of nothing."

"Science is a way of thinking much more than it is a body of knowledge."

"The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."

"The universe seems neither benign nor hostile, merely indifferent."

"I don't want to believe. I want to know."