I never thought much of the courage of a lion tamer. Inside the cage he is at least safe from people.

All evolution in thought and conduct must at first appear as heresy and misconduct.

I never resist temptation, because I have found that things that are bad for me do not tempt me.

Reasonable men adapt themselves to their environment; unreasonable men try to adapt their environment to themselves. Thus all progress is the result of the efforts of unreasonable men.

Spend all you have before you die, and do not outlive yourself.

Suppose the world were only one of God's jokes, would you work any the less to make it a good joke instead of a bad one?

People exaggerate the value of things they haven't got everybody worships truth and unselfishness because they have no experience with them