Progress is the mother of all problems.

Do not enjoy yourself. Enjoy dances and theaters and joy-rides and champagne and oysters; enjoy jazz and cocktails and night-clubs if you can enjoy nothing better; enjoy bigamy and burglary and any crime in the calendar, in preference to the other alternative; but never learn to enjoy yourself.

Think of all those ages through which men have had the courage to die, and then remember that we have actually fallen to talking about having the courage to live.

Never invoke the gods unless you really want them to appear. It annoys them very much.

Men may keep a sort of level of good, but no man has ever been able to keep on one level of evil.

It is a quaint comment on the notion that the English are practical and the French merely visionary, that we were rebels in arts while they were rebels in arms.

A man must be orthodox upon most things, or he will never even have time to preach his own heresy.