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

The whole struggle of our Party (and of the working class movement in Europe generally) must be directed against opportunism. The latter is not a current of opinion, not a tendency; it (opportunism) has now become the organised tool of the bourgeoisie within the working class movement.

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.

It would be the greatest mistake, certainly, to think that concessions mean peace. Nothing of the kind. Concessions are nothing but a new form of war.

No revolution is worth anything unless it can defend itself.

We need the real, nation-wide terror which reinvigorates the country and through which the Great French Revolution achieved glory.

Give me just one generation of youth, and I'll transform the whole world.