The consciousness of the past weighs like a nightmare on the brain of the living.

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

My object in life is to dethrone God and destroy capitalism.

He who before was the money owner, now strides in front as capitalist; the possessor of labor-power follows as his laborer. The one with an air of importance, smirking, intent on business; the other hesitant, like one who is bringing his own hide to market and has nothing to expect but a hiding.

The only antidote to mental suffering is physical pain.

All our inventions have endowed material forces with intellectual life, and degraded human life into a material force.

Modern bourgeois society with its relations of production, of exchange, and of property, a society that has conjured up such gigantic means of production and of exchange, is like the sorcerer, who is no longer able to control the powers of the nether world whom he has called up by his spells.