Emotion is always new.

I am for religion, against religions.

Anger may be foolish and absurd, and one may be wrongly irritated, but a man never feels outraged unless in some respect he is fundamentally right.

The straight line, a respectable optical illusion which ruins many a man.

To contemplate is to look at shadows.

To breathe Paris is to preserve one's soul.

One can resist the invasion of an army but one cannot resist the invasion of ideas.