Human experience, which is constantly contradicting theory, is the great test of truth. A system, built upon the discoveries of a great many minds, is always of more strength, than what is produced by the mere workings of any one mind, which, of itself, can do very little. There is not so poor a book in the world that would not be a prodigious effort were it wrought out entirely by a single mind, without the aid of prior investigators.

All envy would be extinguished, if it were universally known that there are none to be envied.

There is nothing which has yet been contrived by man, by which so much happiness is produced as by a good tavern.

Men hate more steadily than they love.

How small of all that human hearts endure/That part which laws or kings can cause or cure.

They that have grown old in a single state are generally found to be morose, fretful and captious; tenacious of their own practices and maxims; soon offended by contradiction or negligence; and impatient of any association but with those that will watch their nod, and submit themselves to unlimited authority.

Few things are so liberally bestowed, or squandered with so little effect, as good advice.