"When I started doing my work years ago, I had doubts as to whether the informed-consent question was answerable"

"A leader is best when people barely know he exists, when his work is done, his aim fulfilled, they will say: we did it ourselves"

"Talent in cheaper than table salt. What separates the talented individual from the successful one is a lot of hard work"

"Questions are never indiscreet, answers sometimes are"

"Question everything. Learn something. Answer nothing"

"One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man"

"Work spares us from three evils: boredom, vice, and need"

"The best preparation for good work tomorrow is to do good work today"

"Youth is not a question of years: one is young or old from birth"

"I was married to Margaret Joan Howe in 1940. Although not a scientist herself she has contributed more to my work than anyone else by providing a peaceful and happy home"

"Do not waste your time on Social Questions. What is the matter with the poor is Poverty; what is the matter with the rich is Uselessness"