<b>England has to fulfill a double mission in India: one destructive, the other regenerating – the annihilation of old Asiatic society, and the layin… - Karl Marx

Both for the production on a mass scale of this communist consciousness, and for the success of the cause itself, the alteration of men on a mass scale is necessary, an alteration which can only take place in a practical movement, a revolution; this revolution is necessary, therefore, not only because the ruling class cannot be overthrown in any other way, but also because the class overthrowing it can only in a revolution succeed in ridding itself of all the muck of ages and become fitted to found society anew.

When the proletariat declares the dissolution of the hitherto existing world order, it merely declares the secret of its own existence, since it is in fact the dissolution of this order. When it demands the negation of private property, it is only laying down as a principle for society what society has laid down as a principle for the proletariat, what has already been incorporated in itself without its consent as the negative result of society.

Supply and demand constantly determine the prices of commodities; never balance, or only coincidentally; but the cost of production, for its part, determines the oscillations of supply and demand.