The product of mental labor - science - always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.
Karl MarxWhen commercial capital occupies a position of unquestioned ascendancy, it everywhere constitutes a system of plunder.
Karl MarxThe imaginary flowers of religion adorn man's chains. Man must throw off the flowers, and also the chains.
Karl Marx