"I have friends in the other world. I have had very pleasant conversations with them. I am rather unorthodox in this matter. I believe that they are still alive and that we can communicate with them."

"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."

"The three great essentials to achieve anything worthwhile are, first, hard work; second, stick-to-itiveness; third, common sense."

"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."

"My life has been a series of experiments."