The worker of the world has nothing to lose, but their chains, workers of the world unite.

Religion is the impotence of the human mind to deal with occurrences it cannot understand.

If anything is certain, it is that I myself am not a Marxist.

Capital is dead labor, which, vampire-like, lives only by sucking living labor, and lives the more, the more labor it sucks.

The history of all previous societies has been the history of class struggles.

Experience praises the most happy the one who made the most people happy.