Arguments are extremely vulgar, for everyone in good society holds exactly the same opinion.
An idea that is not dangerous is unworthy of being called an idea at all.
If you pretend to be good, the world takes you very seriously. If you pretend to be bad, it doesn't. Such is the astounding stupidity of optimism.
When the gods wish to punish us they answer our prayers.
Man can believe the impossible, but man can never believe the improbable.
It is through art, and through art only, that we can realise our perfection.
It is a very sad thing that nowadays there is so little useless information.
Experience is one thing you can't get for nothing.
Why was I born with such contemporaries?
Every portrait that is painted with feeling is a portrait of the artist, not of the sitter.
The truth is rarely pure and never simple.
The public is wonderfully tolerant. It forgives everything except genius.
Romance should never begin with sentiment. It should begin with science and end with a settlement.
Nothing is so aggravating than calmness.
The world has grown suspicious of anything that looks like a happily married life.
When good Americans die they go to Paris.
I am the only person in the world I should like to know thoroughly.
Our ambition should be to rule ourselves, the true kingdom for each one of us; and true progress is to know more, and be more, and to do more.
There are only two tragedies in life: one is not getting what one wants, and the other is getting it.
Everybody who is incapable of learning has taken to teaching.
The salesman knows nothing of what he is selling save that he is charging a great deal too much for it.
Men marry because they are tired; women, because they are curious; both are disappointed.
Do you really think it is weakness that yields to temptation? I tell you that there are terrible temptations which it requires strength, strength and courage to yield to.
Life is far too important a thing ever to talk seriously about.
Quotation is a serviceable substitute for wit.