Merely quantitative differences, beyond a certain point, pass into qualitative changes.

“A specter is haunting Europe—the specter of Communism. All the powers of old Eu…”

“The bourgeoisie cannot exist without constantly revolutionizing the instruments…”

“The new era differs from the old chiefly in that the lash begins to imagine its…”

“The bourgeois period of history has to create the material basis of the new wor…”