With respect to the first of these obstacles, it has often been made a matter of grave complaint against Political Economists, that they confine their attention to Wealth, and disregard all consideration of Happiness or Virtue.

To abstain from the enjoyment which is in our power, or to seek distant rather than immediate results, are among the most painful exertions of the human will.

We propose in the following Treatise to give an outline of the Science which treats of the Nature, the Production, and the Distribution of Wealth. To that Science we give the name of Political Economy.

One of the worst of errors would be the general admission of the proposition that a Government has no right to interfere for any purpose except for that of affording protection.

With respect to the first of these obstacles, it has often been made a matter of grave complaint against Political Economists, that they confine their attention to Wealth, and disregard all consideration of Happiness or Virtue.

The time I trust will come, perhaps within the lives of some of us, when the outline of this science will be clearly made out and generally recognised, when its nomenclature will be fixed, and its principles form a part of elementary instruction.

Value denotes a relation reciprocally existing between two objects, and the precise relation which it denotes is the quantity of the one which can be obtained in exchange for a given quantity of the other.