I have learned more [from Balzac] than from all the professional historians, economists, and statisticians put together.

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

The free development of each is the condition for the free development of all.

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.

Without analysis, no synthesis.

It is a curious fact that with every great revolutionary movement the question of 'free love' comes into the foreground.

The proletarians, driven to despair, will seize the torch which Stephens has preached to them; the vengeance of the people will come down with a wrath of which the rage of 1795 gives no true idea. The war of the poor against the rich will be the bloodiest ever waged.