Merely quantitative differences, beyond a certain point, pass into qualitative changes. Author: Karl Marx Copy Quote More from Karl Marx “But modern bourgeois private property is the final and most complete expression…” “The modern bourgeois society that has sprouted from the ruins of feudal society…” “The bourgeoisie . . . has created enormous cities, has greatly increased the ur…” “The progressive tendency of the general rate of profit to fall is, therefore, j…”