"We build but to tear down. Most of our work and resource is squandered. Our onward march is marked by devastation. Everywhere there is an appalling loss of time, effort and life. A cheerless view, but…"

"I am unwilling to admit that there are any insurmountable obstacles to the realization of the wireless transmission of power."

"The spread of civilization may be likened to a fire; first, a feeble spark, next a flickering flame, then a mighty blaze, ever increasing in speed and power."

"In crystal we have a pure evidence of the existence of a formative life principle, and although in spite of everything we cannot understand the life of crystals - it is still a living being."

"The human being is a self-propelled automaton, and I am the biggest one in the world."