"The progressive development of man is vitally dependent on invention. It is the most important product of his creative brain."

"The theory of relativity is a mass of errors and deceptive ideas violently opposed to the teachings of the great men of science of the past and even to common sense."

"The world is not yet ready for my inventions."

"Of all the frictional resistances, the one that most retards human movement is ignorance, what Buddha called 'the greatest evil in the world.'"

"I am unwilling to submit to any procedure for the determination of my mental condition."