"Of all the frictional resistances, the one that most retards human movement is ignorance."

"Our senses enable us to perceive only a minute portion of the outside world."

"I felt that I could not touch the hair of other people, except with gloves."

"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…"

"The desire that guides me in all I do is the desire to harness the forces of nature to the service of mankind."