All intellectual improvement arises from leisure.

Ignorance, madam, pure ignorance.

Every government is perpetually degenerating towards corruption, from which it must be rescued at certain periods by the resuscitation of its first principles, and the re-establishment of its original constitution.

Every cold empirick, when his heart is expanded by a successful experiment, swells into a theorist.

Life protracted is protracted woe.

Every man prefers virtue, when there is not some strong incitement to transgress its precepts.

Nothing odd will do long. Tristram Shandy did not last.