The basic proposition of materialism is that matter is primary and consciousness is secondary and consciousness is a quality of matter itself which cannot exist independently of matter. This means that there can be no existence of consciousness independent of the matter; in other words, there can be no consciousness whose source is not the material reality/material world. Pre-Marxian materialism stops exactly at this point, for which Marx criticized Ludwig Feuerbach and wrote these celebrated words: “Philosophers have so far interpreted the world in various ways, the point, however, is to change it.”
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