"I have not invented a 'death ray'. I don't need a 'death ray' to destroy an army. I can simply create a vibratory force that would shatter the earth."

"That is the trouble with many inventors; they lack patience. They lack the willingness to work a thing out slowly and clearly and sharply in their mind, so that they can actually 'feel it work.' They …"

"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…"

"The greatest good for the greatest number is the only goal worth striving for."

"The time will come when the forces of the universe will be brought under the control of man."