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.

So in Jewry we recognise a contemporary universal anti-social phenomenon, which has reached its present pitch through a process of, historical development in which the Jews have zealously co-operated. And this evil anti-social aspect of Jewry has grown to a stage at which: it must necessarily collapse.

The criticism of Religion is the beginning of all criticism

If anything is certain, it is that I myself am not a Marxist.

The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.

Revolutions are the locomotives of history.

In the eyes of dialectical philosophy, nothing is established for all times, nothing is absolute or sacred.