"There's a greater law than the FDA, and that is an obligation of a doctor to try to do anything he can to save a life when he thinks that there's a chance."

"In all science, error precedes the truth, and it is better it should go first than last."

"Take young researchers, put them together in virtual seclusion, give them an unprecedented degree of freedom and turn up the pressure by fostering competitiveness."

"I see nothing in space as promising as the view from a Ferris wheel."

"Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blind-folded fear."

"In physics, you don't have to go around making trouble for yourself - nature does it for you."

"It's wonderful to climb the liquid mountains of the sky. Behind me and before me is God and I have no fears."

"It is wonderful how much time good people spend fighting the devil. If they would only expend the same amount of energy loving their fellow men, the devil would die in his own tracks of ennui."

"Prayer does not change God, but it changes him who prays."

"The beauty of religious mania is that it has the power to explain everything. Once God (or Satan) is accepted as the first cause of everything which happens in the mortal world, nothing is left to chance... logic can be happily tossed out the window."