"The greatest evil is not now done in those sordid 'dens of crime' that Dickens loved to portray... but in clean, carpeted, warmed and well-lighted offices, by quiet men with white collars and cut fing…"

"The greatest lesson of life is that you are responsible for your life."

"The most important of all the lessons that history has to teach is that men do not learn very much from the lessons of history."

"It is a bit embarrassing to have been concerned with the human problem all one's life and to find at the end that one has no more to offer by way of advice than 'Try to be a little kinder.'"

"The more you know, the more you see."