The working class is revolutionary or it is nothing.

It is not the consciousness of men that determines their being, but, on the contrary, their social being that determines their consciousness.

Every emancipation is a restoration of the human world and of human relationships to a man himself.

2 is a proletariat prime, but 4, 6 and 8 are also composite proletariats. Composites of the world unite; you have nothing to lose but your chains!

The production of too many useful things results in too many useless people.

In communist society, where nobody has one exclusive sphere of activity but each can become accomplished in any branch he wishes, society regulates the general production and thus makes it possible for me to do one thing today and another tomorrow, to hunt in the morning, fish in the afternoon, rear cattle in the evening, criticize after dinner, just as I have a mind, without ever becoming hunter, fisherman, shepherd or critic.

The theory of Communism may be summed up in one sentence: Abolish all private property.