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.

I find it easy to forgive the man who invented a devilish instrument like dynamite, but how can one ever forgive the diabolical mind that invented the Nobel Prize in Literature?

The most revolutionary invention of the Nineteenth Century was the artificial sterilization of marriage.

This is the true joy in life, the being used for a purpose recognized by yourself as a mighty one.

Not until he acquires European manners does the American anarchist become the gentleman who assures you that people cannot be mademoral by Act of Parliament (the truth being that it is only by Acts of Parliament that men in large communities can be made moral, even when they want to).

The liar's punishment is not in the least that he is not believed, but that he cannot believe anyone else.

Hell is a place where you have nothing to do but amuse yourself.