"I have more respect for the man who is trying to get somewhere than for the man who has gotten somewhere and is resting on his laurels."

"There is no substitute for hard work."

"I am not a vegetarian. I eat meat, but I don't eat much meat. I eat very little meat."

"I am not a scientist. I am an inventor."

"I have friends in the other world. I have had very pleasant conversations with them. I am rather unorthodox in this matter."