If the labourer consumes his disposable time for himself, he robs the capitalist.

Science and democracy are the right and left hands of what I'll refer to as the move from the realm of necessity to the realm of freedom.

Communism begins where atheism begins.

In order to arouse sympathy, the aristocracy was obliged to lose sight, apparently, of its own interests, and to formulate its indictment against the bourgeoisie in the interest of the exploited working class alone. Thus, the aristocracy took their revenge by singing lampoons on their new masters and whispering in his ears sinister prophesies of coming catastrophe.

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

Bourgeois society ought long ago to have gone to the dogs through sheer idleness; for those of its members who work, acquire nothing, and those who acquire anything, do not work.

Change the economic base and you will change human beings.