...the first step in the revolution by the working class, is to raise the proletariat to the position of ruling class, to win the battle for democracy.

Natural science will in time incorporate into itself the science of man, just as the science of man will incorporate into itself natural science: there will be one science.

In bourgeois society capital is independent and has individuality, while the living person is dependent and has no individuality.

Force is the midwife of every old society pregnant with a new one.

...the very cannibalism of the counterrevolution will convince the nations that there is only one way in which the murderous death agonies of the old society and the bloody birth throes of the new society can be shortened, simplified and concentrated, and that way is revolutionary terror.

The religious world is but a reflex of the real world.

I wish to avenge myself against the One who rules above.