The most heterogeneous ideas are yoked by violence together; nature and art are ransacked for illustrations, comparisons, and allusions; their learning instructs, and their subtlety surprises; but the reader commonly thinks his improvement dearly bought and, though he sometimes admires, is seldom pleased.

There are some works which the authors must consign unpublished to posterity, however uncertain be the event, however hopeless be the trust. He that writes the history of his own times, if he adhere steadily to truth, will write that which his own times will not easily endure. He must be content to reposite his book till all private passions shall cease, and love and hatred give way to curiosity.

True enjoyments also keep people from vice.

It is generally agreed, that few men are made better by affluence or exaltation.

The mathematicians are well acquainted with the difference between pure science, which has only to do with ideas, and the application of its laws to the use of life, in which they are constrained to submit to the imperfections of matter and the influence of accidents.

He who writes much will not easily escape a manner, such a recurrence of particular modes as may be easily noted.

In this work are exhibited, in a very high degree, the two most engaging powers of an author. New things are made familiar, and familiar things are made new.