"The costs of production of labor consist of precisely the quantity of means of subsistence necessary to enable the wo…"

"Was ist der Kommunismus? Der Kommunismus ist die Lehre von den Bedingungen der Befreiung des Proletariats. Was ist da…"

"Bourgeoisie and proletariat have become the decisive classes, and the struggle between them the great struggle of the…"

"The slave is sold once and for all; the proletarian must sell himself daily and hourly. The individual slave, propert…"

"Today in Korea—in Southeast Asia—in Latin America and the West Indies, in the Middle East—in Africa, one sees tens of…"

"You cannot conquer an awakened people. You cannot Prussianize Belgium and France. You cannot eradicate the teachings …"

"Friedrich Engels once said: “Bourgeois society stands at the crossroads, either transition to socialism or regression…"

"Comedy is in act superior to tragedy and humourous reasoning superior to grandiloquent reasoning."

"Engels always considered himself a junior partner, and so, without doubt, he was. But that does not lessen his role. …"

"From the moment when labour can no longer be converted into capital, money, or rent, into a social power capable of b…"