Nikola Tesla — "I do not believe in the spirit of competition, but in the spirit of cooperation."

"Every effort under compulsion demands a sacrifice of life-energy. I never paid such a price. On the contrary, I have thrived on my thoughts."

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

"The human race is governed by its imagination."

"If the genius of invention were to reveal to-morrow the secret of immortality, of eternal beauty and youth, for which all humanity is aching, the same inexorable agents which prevent a mass from chang…"

"I have been called by some a visionary, by others a dreamer, but I am a practical man."