It is no longer a question anywhere of inventing interconnections from out of our brains, but of discovering them in the facts.

If in all ideology men and their circumstances appear upside-down as in a camera obscura, this phenomenon arises just as much from their historical life-process as the inversion of objects on the retina does from the physical life-process.

Everything must justify its existence before the judgment seat of Reason, or give up existence.

Ideas often kindle each other, like electrical sparks.

How do you think the transition from the present situation to community of Property is to be effected? The first, fundamental condition for the introduction of community of property is the political liberation of the proletariat through a democratic constitution.

All the other large and small nationalities and peoples are destined to perish before long in the revolutionary world storm. The next world war will result in the disappearance from the face of the earth not only of reactionary classes and dynasties, but also of entire reactionary peoples. And that, too, is a step forward.

Terror consists mostly of useless cruelties perpetrated by frightened people in order to reassure themselves.