It is a good thing for an uneducated man to read books of quotations. Bartletts Familiar Quotations is an admirable work, and I studied it intently. The quotations when engraved upon the memory give you good thoughts. They also make you anxious to read the authors and look for more. – Sir Winston Churchill

The hunter for aphorisms on human nature has to fish in muddy water, and he is even condemned to find much of his own mind. – Francis H. Bradley, Aphorisms, 1930

Not everything that can be extracted appears in anthologies of quotations, in commonplace books, or on the back of Celestial Seasonings boxes. Only certain sorts of extracts become quotations. – Gary Saul Morson, The Words of Others: From Quotations to Culture, 2011