Peace is not only better than war, but infinitely more arduous.

I have prophesied about the faith of Muhammad that it would be acceptable to the Europe of tomorrow as it is beginning to be acceptable to the Europe of today. ... I believe that if a man like him were to assume the dictatorship of the modern world he would succeed in solving its problems in a way that would bring it the much-needed peace and happiness.

The open mind never acts: when we have done our utmost to arrive at a reasonable conclusion, we still must close our minds for the moment with a snap, and act dogmatically on our conclusions.

The most intolerable pain is produced by prolonging the keenest pleasure.

I have never thought much of the courage of a lion tamer. Inside the cage he is at least safe from other men. There is not much harm in a lion. He has no ideals, no religion, no politics, no chivalry, no gentility; in short, no reason for destroying anything that he does not want to eat

Sherlock Holmes was a drug addict without a single amiable trait.

Don't wait for the right opportunity: create it.