Communism begins where atheism begins.

Just as the savage must wrestle with nature to satisfy his wants, to maintain and reproduce life, so must civilised man, and he must do so in all social formations and under all possible modes of production.

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.

...the realm of freedom does not commence until the point is passed where labor under the compulsion of necessity and of external utility is required.

Is it a misfortune that magnificent California was seized from the lazy Mexicans who did not know what to do with it.

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

The fact that labour is external to the worker, i.e., it does not belong to his intrinsic nature; that in his work, therefore he does not affirm himself but denies himself, does not feel content but unhappy, does not develop freely his physical and mental energy but mortifies his body and his mind. The worker therefore only feels himself outside his work, and in his work feels outside himself.