...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.

The method of production of the material things of life generally determines the social, political and spiritual currents of life.

Beauty is the main positive form of the aesthetic assimilation of reality, in which aesthetic ideal finds it direct expression.

Labor, being itself a commodity, is measured as such by the labor time needed to produce the labor-commodity. And what is needed to produce this labor-commodity? Just enough labor time to produce the objects indispensable to the constant maintenance of labor, that is, to keep the worker alive and in a condition to propagate his race. The natural price of labor is no other than the wage minimum.

Wages are determined by the bitter struggle between capitalist and worker.

...the Communists everywhere support every revolutionary movement against the existing social and political order of things... They openly declare that their ends can be attained only by the forcible overthrow of all existing social conditions.

The working class is revolutionary or it is nothing.