The leading princes are the most servile tools of English despotism. . . . The native princes are the stronghold of the present abominable English system.

Men make their own history

The existence of the state is inseparable from the existence of slavery.

In this sense, the theory of the Communists may be summed up in the single sentence: Abolition of private property. - Manifesto of the Communist Party

Capitalist agricultural production prevents the return to the soil of its elements consumed by man in the form of food and clothing; it therefore violates the conditions necessary to lasting fertility of the soil. By this action it destroys at the same time the health of the town labourer and the intellectual life of the rural labourer.

Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people.

In the eyes of dialectical philosophy, nothing is established for all times, nothing is absolute or sacred.