When the labourer co-operates systematically with others, he strips off the fetters of his individuality, and develops the capabilities of his species.
Karl MarxIn this sense, the theory of the Communists may be summed up in the single sentence: Abolition of private property. - Manifesto of the Communist Party
Karl MarxIn the national struggles of the proletarians of the different countries, they point out and bring to the front the common interest of the entire proletariat, independently of all nationality.
Karl MarxThe animal is one with its life activity. It does not distinguish the activity from itself. It is its activity. But man makes hislife activity itself an object of his will and consciousness. He has a conscious life activity. It is not a determination with which he is completely identified.
Karl Marx