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

"Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity."

"The worker has become a commodity, and it is a sorry commodity indeed."

"The proletariat needs the state, not for freedom, but for the suppression of its opponents."

"Too great seriousness is the most ludicrous thing of all, and too great modesty is the bitterest irony."