Don't give a woman advice; one should never give a woman anything she can't wear in the evening.

If it is not nailed to the floor, it's mine. If I can pry it loose, it is not nailed down.

One should never make one's entrance with a scandal. One should reserve that to give an interest to one's old age.

An opinion is not necesarily correct just because you're willing to die for it.

The best way to enjoy your job is to imagine yourself without one.

But what is the good of friendship if one cannot say exactly what one means? Anybody can say charming things and try to please and to flatter, but a true friend always says unpleasant things, and does not mind giving pain. Indeed, if he is a really true friend he prefers it, for he knows that then he is doing good.

It's either the wallpaper or me. One of us has to go. [These were his dying words.]