I have put into thy hands what has been the diversion of some of my idle and heavy hours. If it has the good luck to prove so of any of thine, and thou hast but half so much pleasure in reading as I had in writing it, thou wilt as little think thy money, as I do my pains, ill bestowed.

In: Great Books of the Western World (Volume 35), An Essay Concerning Human Understanding, Epistle to the Reader (p. 87)