| Link | Quote | Stars | Tags | Author |
| 9b95416 | The history of all hitherto existing society is the history of class struggles. | history politics unionism proletariat class-struggle society communism | Karl Marx and Friedrich Engels | |
| 4387755 | The proletariat, a class of laborers,who live only so long as they find work,and who find work only so long as their labor increases capital. These laborers, who must sell themselves piecemeal, are a commodity,like every other article of commerce, and are consequently exposed to all the vicissitudes of competition, to all the fluctuations of the market. | Karl Marx and Friedrich Engels | ||
| b949300 | All that is solid melts into air, all that is holy is profaned, and man is at last compelled to face with sober senses, his real conditions of life and his relations with his kind. | Karl Marx and Friedrich Engels |