International unity of the workers is more important than the national.

Only an armed people can be the real bulwark of popular liberty.

You must have your heart on fire and your brain on ice.

The history of all countries shows that the working class exclusively by its own effort is able to develop only trade-union consciousness.

A revolution is impossible without a revolutionary situation; furthermore, not every revolutionary situation leads to revolution.

There are no morals in politics; there is only expedience. A scoundrel may be of use to us just because he is a scoundrel.

The state does not function as we desired. A man is at the wheel and seems to lead it, but the car does not drive in the desired direction. It moves as another force wishes.