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

“You must be aware that the reward for labour, and quantity of labour, are quite…”

“The proletarians have nothing to loose but their chains. They have a world to w…”

“Hegel remarks somewhere that all great, world-historical facts and personages o…”

“Freeman and slave, patrician and plebeian, lord and serf, guild-master and jour…”