"The trouble with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence."

"The degree of civilization in a society can be judged by entering its prisons."

"I have been accused of being a Communist, which I am not. I am a libertarian socialist."

"The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts."

"Those who have produced stoic philosophies have all had enough to eat and drink."