Commerce can never be at a stop while one man wants what another can supply; and credit will never be denied, while it is likely to be repaid with profit.

To revenge reasonable incredulity by refusing evidence, is a degree of insolence with which the world is not yet acquainted; and stubborn audacity is the last refuge of guilt.

In most ages many countries have had part of their inhabitants in a state of slavery; yet it may be doubted whether slavery can ever be supposed the natural condition of man. It is impossible not to conceive that men in their original state were equal; and very difficult to imagine how one would be subjected to another but by violent compulsion. An individual may, indeed, forfeit his liberty by a crime; but he cannot by that crime forfeit the liberty of his children.

Avarice is generally the last passion of those lives of which the first part has been squandered in pleasure, and the second devoted to ambition. He that sinks under the fatigue of getting wealth, lulls his age with the milder business of saving it

The task of an author is, either to teach what is not known, or to recommend known truths by his manner of adorning them; either to let new light in upon the mind, and open new scenes to the prospect, or to vary the dress and situation of common objects, so as to give them fresh grace and more powerful attractions, to spread such flowers over the regions through which the intellect has already made its progress, as may tempt it to return, and take a second view of things hastily passed over, or negligently regarded.

Pain and disease awaken us to convictions which are necessary to our moral condition.

Where secrecy or mystery begins, vice or roguery is not far off.