"The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence. To understand the true nature of the universe, one…"

"In the twenty-first century, the robot will take the place which slave labor occupied in ancient civilization."

"My mother was an inventor of the first order."

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

"I loved that pigeon as a man loves a woman, and she loved me. As long as I had her, there was a purpose to my life."