By bourgeoisie is meant the class of modern capitalists, owners of the means of social production and employers of wage labor. By proletariat, the class of modern wage laborers who, having no means of production of their own, are reduced to selling their labor power in order to live.
Friedrich EngelsFirstly, the farmers, the most stupid set of people in existence, who, clinging to feudal prejudices, burst forth in masses, ready to die rather than cease to obey those whom they, their fathers and grandfathers, had called their masters; and submitted to be trampled on and horse-whipped by.
Friedrich EngelsAll the other large and small nationalities and peoples are destined to perish before long in the revolutionary world storm. The next world war will result in the disappearance from the face of the earth not only of reactionary classes and dynasties, but also of entire reactionary peoples. And that, too, is a step forward.
Friedrich EngelsThe proletariat uses the State not in the interests of freedom but in order to hold down its adversaries, and as soon as it becomes possible to speak of freedom the State as such ceases to exist.
Friedrich EngelsLabour is the source of all wealth, the political economists assert. And it really is the source -- next to nature, which supplies it with the material that it converts into wealth. But it is even infinitely more than this. It is the prime basic condition for all human existence, and this to such an extent that, in a sense, we have to say that labour created man himself.
Friedrich Engels