"The principle must always rule that ideas are not born of other ideas, philosophies of other philosophies; they are a continually renewed expression of real historical development. The unity of history (what the idealists call unity of the spirit) is not a presupposition, but a continuously developing process."
Antonio Gramsci was an Italian Marxist philosopher and political theorist. He was born on 1891-01-22 and died on 1937-04-27. He is widely known for the Prison Notebooks and the concept of cultural hegemony.