"The commodity is a mysterious thing, simply because in it the social character of men's labour appears to them as an objective character stamped upon the product of that labour."

"The modern ancien régime is rather only the comedian of a world order whose true heroes are dead."

"A people without character, without any historical initiative, a people that has only been used as a tool by other nations, will achieve its freedom only by becoming a tool for a revolution that will …"

"Workers of the world, unite! You have nothing to lose but your chains!"

"The proletariat must first of all acquire political supremacy, must rise to be the leading class of the nation, must constitute itself the nation."