Thomas Edison — "I have friends in the electrical industry who would be very happy to see me dead…"

"The doctor of the future will give no medicine but will interest his patients in the care of the human frame, in diet, and in the cause and prevention of disease."

"I am not a spiritualist. I am not a medium. I am a scientist. I am trying to build a machine to communicate with the dead. I am trying to prove that there is life after death. I am trying to prove tha…"

"I am a good listener, but I also have a great deal of patience."

"It is not because things are difficult that we do not dare; it is because we do not dare that they are difficult."

"I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that."