Exchange value forms the substance of money, and exchange value is wealth.

Although gold and silver are not by nature money, money is by nature gold and silver.

There can be no real and effective 'freedom' in a society based on the power of money, in a society in which the masses of working people live in poverty and the handful of rich live like parasites.

Gold is now money with reference to all other commodities only because it was previously, with reference to them, a simple commodity.

An increase in the productivity of labour means nothing more than that the same capital creates the same value with less labour, or that less labour creates the same product with more capital.

Money degrades all the gods of man and converts them into commodities.