"Hell, there are no rules here--we're trying to accomplish something."

"Faith, as well intentioned as it may be, must be built on facts, not fiction--faith in fiction is a damnable false hope."

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

"If we all did the things we are capable of doing, we would literally astound ourselves."

"To invent, you need a good imagination and a pile of junk."

"I have never seen the slightest scientific proof of the religious idea of heaven and hell, of future life for individuals, or of a personal God."

"The man who is swimming against the stream knows the strength of it."

"To deny we need and want power is to deny that we hope to be effective."

"Before undergoing a surgical operation, arrange your temporal affairs. You may live."

"The good neighbor looks beyond the external accidents and discerns those inner qualities that make all men human and, therefore, brothers."

"War is hell, and I mean to make it so."

"Whenever people say 'we mustn't be sentimental', you can take it they are about to do something cruel. And if they add, 'we must be realistic', they mean they are going to make money out of it."