The animal is one with its life activity. It does not distinguish the activity from itself. It is its activity. But man makes hislife activity itself an object of his will and consciousness. He has a conscious life activity. It is not a determination with which he is completely identified.

Religion is the opium of the people translated from the German Die Religion ... ist das Opium des Volkessometimes misquoted as opiate of the people.

...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.

If you can cut the people off from their history, then they can be easily persuaded.

All social rules and all relations between individuals are eroded by a cash economy, avarice drags Pluto himself out of the bowels of the earth.

Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand.

Surplus-value and the rate of surplus-value are... the invisible essence to be investigated, whereas the rate of profit and hence the form of surplus-value as profit are visible surface phenomena