Next to being witty yourself, the best thing is being able to quote anothers wit. – Christian Nevell Bovee

Mr. [Thomas] Gray the poet has often observed to me that if a man were to form a Book of what he had seen and heard himself it must in whatever hands prove a most useful and entertaining one. – Horace Walpole, quoted in Walpoliana, 1800

Proverbs are in the world of thought what gold coin is in the world of business—great value in small compass, and equally current among all people. Sometimes the proverb may be false, the coin counterfeit, but in both cases the false proves the value of the true. – Attributed to D. March in A Dictionary of Thoughts: A Cyclopedia of Laconic Quot