Mankind always sets itself only such tasks as it can solve; since, looking at the matter more closely, we will always find that the task itself arises only when the material conditions necessary for its solution already exist or are at least in the process of formation.
Karl MarxCapitalist production, therefore, develops technology, and the combining together of various processes into a social whole, only by sapping the original sources of all wealth - the soil and the labourer.
Karl MarxAccumulation of wealth at one pole is at the same time accumulation of misery, agony of toil, slavery, ignorance, brutality, mental degradation, at the opposite pole
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