In this world there is always danger for those who are afraid of it.

In your dread of dictators you established a state of society in which every ward boss is a dictator, every private employer a dictator, every financier a dictator, all with the livelihood of the workers at his mercy, and no public responsibility.

Indifference is the essence of inhumanity.

Do not do unto others as you expect they should do unto you. Their tastes may not be the same.

All progress depends upon the unreasonable person.

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

The doctor learns that if he gets ahead of the superstitions of his patients he is a ruined man; and the result is that he instinctively takes care not to get ahead of them.