"The first step in the revolution by the working class is to raise the proletariat to the position of ruling class to win the battle of democracy."

"The more the division of labour and the application of machinery extend, the more does the competition among the workers extend, and the more do their wages shrink."

"The product of labour is alienated from the worker; it becomes an alien object, a power independent of the producer."

"Too great seriousness is the most ludicrous thing of all, and too great modesty is the bitterest irony."

"Surplus value is the sole source of profit."