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

But, perhaps, the excellence of aphorisms consists not so much in the expression of some rare or abstruse sentiment, as in the comprehension of some obvious and useful truth in a few words. – Samuel Johnson, The Rambler, November 19, 1751

How do people go to sleep? I’m afraid I’ve lost the knack. I might try busting myself smartly over the temple with the night-light. I might repeat to myself, slowly and soothingly, a list of quotations beautiful from minds profound; if I can remember any of the damn things. – Dorothy Parker, Here Lies, 1939

[D]ifferent people have different quotational gravity. – Willis Goth Regier, Quotology, 2010