"Peace is never long preserved by weight of metal or by an armament race. Peace can be made tranquil and secure only by understanding and agreement fortified by sanctions. We must embrace international cooperation or international disintegration. Science has taught us how to put the atom to work. But to make it work for good instead of for evil lies in the domain dealing with the principles of human dignity. We are now facing a problem more of ethics than of physics."

“I am interested in physical medicine because my father was. I am interested in medical research because I believe in it. I am interested in arthritis because I have it.”

“America has never forgotten — and never will forget — the nobler things that brought her into being and that light her path — the path that was entered upon only one hundred and fifty years ago … How young she is! It will be centuries before she will adopt that maturity of custom — the clothing of the grave — that some people believe she is already fitted for.”

“Every man has a right to his own opinion, but no man has a right to be wrong in his facts.”

“A speculator is a man who observes the future, and acts before it occurs.”

“I am quite sure that in the hereafter she will take me by the hand and lead me to my proper seat.”

“There are no such things as incurable, there are only things for which man has not found a cure.”