Brevity - the sister of talent.

If there's a gun on the wall in act one, scene one, you must fire the gun by act three, scene two. If you fire a gun in act three, scene two, you must see the gun on the wall in act one, scene one.

Calculating selfishness is the annihilation of self.

The bourgeoisie is very fond of so-called practical types and novels with happy endings, since they soothe it with the idea that one can both accumulate capital and preserve innocence, be a beast and at the same time be happy...

One must be a god to be able to tell successes from failures without making a mistake.

[In] death at least there would be one profit; it would no longer be necessary to eat, to drink, to pay taxes, or to [offend] others; and as a man lies in his grave not one year, but hundreds and thousands of years, the profit was enormous. The life of man was, in short, a loss, and only his death a profit.

It's better to live down a scandal than to ruin one's life.