It is not the consciousness of men that determines their being, but, on the contrary, their social being that determines their consciousness.
Karl MarxCapital is dead labor, which, vampire-like, lives only by sucking living labor, and lives the more, the more labor it sucks.
Karl MarxAll freed, fast-frozen relations, with their train of ancient and venerable prejudices and opinions, are swept away, all new-formed ones become antiquated before they can ossify. All that is solid melts into air, all that is holy is profaned, and man is at last compelled to face with sober senses, his real conditions of life, and his relations with his kind.
Karl Marx