What is really important in Man is the part of him that we do not understand. Of much of it we are not even conscious, just as we are not normally conscious of keeping up our circulation by our heart-pump, though if we neglect it we die.

My rank is the highest known in Switzerland: I'm a free citizen.

I am afraid we must make the world honest before we can honestly say to our children that honesty is the best policy.

All censorships exist to prevent anyone from challenging current conceptions and existing institutions. All progress is initiated by challenging current conceptions, and executed by supplanting existing institutions. Consequently, the first condition of progress is the removal of censorship.

A pornographic novelist is one who exploits the sexual instinct as a prostitute does. A legitimate sex novel elucidates it or brings out its poetry, tragedy, or comedy.

In the arts of life main invents nothing; but in the arts of death he outdoes Nature herself, and produces by chemistry and machinery all the slaughter of plague, pestilence and famine. ... There is nothing in Man's industrial machinery but his greed and sloth: his heart is in his weapons.

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