The abolition of religion as the illusory happiness of the people is the demand for their real happiness. To call on them to give up their illusions about their condition is to call on them to give up a condition that requires illusions. The criticism of religion is, therefore, in embryo, the criticism of that vale of tears of which religion is the halo.
Karl MarxIn this sense, the theory of the Communists may be summed up in the single sentence: Abolition of private property. - Manifesto of the Communist Party
Karl MarxHe 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.
Karl Marx