This is a matter of fact, confirmed by daily observation.

But, USEFUL?
For what?
For somebody's interest, surely.

Whose interest then?
Not our own only: For our approbation frequently extends farther.

It must, therefore, be the interest of those, who are served by the character or action approved of; and these we may conclude, however remote, are not totally indifferent to us.

By opening up this principle, we shall discover one great source of moral distinctions..