In literary composition a well-chosen quotation lights up the page like a fine engraving… – William Francis Henry King, “Introduction,” Classical and Foreign Quotations, 18

[S]ources are not too reliable. The words and thoughts are the thing. “The best words in the best order” is the object of all quotations. Who made the order and when is of interest, but not vital as the many quotations by “Anon.” testify. – Robert Irvine Fitzhenry (1918–2008), The Harper Book of Quotations

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