Mathematics allows for no hypocrisy and no vagueness.

I no longer find such pleasure in that preeminently good society, of which I was once so fond. It seems to me that beneath a cloak of clever talk it proscribes all energy, all originality. If you are not a copy, people accuse you of being ill-mannered.

For the future, I shall rely only upon those elements of my character which I have tested. Who would ever have said that I should find pleasure in shedding tears? That I should love the man who proves to me that I am nothing more than a fool?

A strange effect of marriage, such as the nineteenth century has made it! The boredom of married life inevitably destroys love, when love has preceded marriage. And yet, as a philosopher has observed, it speedily brings about, among people who are rich enough not to have to work, an intense boredom with all quiet forms of enjoyment. And it is only dried up hearts, among women, that it does not predispose to love.

The shepherd always tries to persuade the sheep that their interests and his own are the same.

Women are always eagerly on the lookout for any emotion.

The tyranny of public opinion (and what an opinion!) is as fatuous in the small towns of France as it is in the United States of America.