The variation in the value of money, however great, makes no difference in the rate of profits.

Again two manufacturers may employ the same amount of fixed, and the same amount of circulating capital; but the durability of their fixed capitals may be very unequal.

The factors left out of the Ricardian equation are falling wages and idle capacity.

Whenever the current of money is forcibly stopped, and when money is prevented from settling at its just level, there are no limits to the possible variations of the exchange.

After all the fertile land in the immediate neighbourhood of the first settlers were cultivated, if capital and population increased, more food would be required, and it could only be procured from land not so advantageously situated.

Every transaction in commerce is an independent transaction.

By far the greatest part of those goods which are the objects of desire, are procured by labour and they may be multiplied, not in one country alone, but in many, almost without any assignable limit, if we are disposed to bestow the labour necessary to obtain them.