"My method is different. I do not rush into actual work. When I get an idea I start at once building it up in my imagination. I change the construction, make improvements, and operate the device entire…"

"The human being is a self-propelled automaton, fatally bound to the circuit of the universe."

"The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane."

"Most persons are so absorbed in the contemplation of the outside world that they are wholly oblivious to what is passing on within themselves. The premature death of millions is primarily traceable to…"

"I don't care that they stole my idea . . I care that they don't have any of their own."