The writer must earn money in order to be able to live and to write, but he must by no means live and write for the purpose of making money.

May the devil take these peoples movements, especially when they are 'peaceful'.

The ruling ideas of each age have ever been the ideas of its ruling class.

It would perhaps be as well if things were to remain quiet for a few years yet, so that all this 1848 democracy has time to rot away.

We know only a single science, the science of history. History can be contemplated from two sides, it can be divided into the history of nature and the history of mankind. However, the two sides are not to be divided off; as long as men exist the history of nature and the history of men are mutually conditioned.

The bureaucracy is a circle from which no one can escape. Its hierarchy is a hierarchy of knowledge.

The proletarians have nothing to loose but their chains. They have a world to win.