The state is the intermediary between men and human liberty. Religious alienation as such occurs only in the sphere of consciousness, in the inner life of man, but economic alienation is that of real life. . . . The object produced by labor, its product, now stands opposed to it as an alien being, as a power independent of the producer. . . . However, alienation appears not merely in the result but also in the process of production, within productive activity itself. . . . If the product of labor is alienation, production itself must be active alienation. . . .
Work is external to the worker. . . .
What is true of man's relationship to his work, to the product of his work and to himself, is also true of his relationship to other men. Each man is alienated from others . . The Communist Manifesto. Marx, Karl. 1964. Selected Writings in Sociology and Social Philosophy.