A good conversationalist is not one who remembers what was said, but says what someone wants to remember. – John Mason Brown

A learned historian declared to me of a contemporary, that the latter had appropriated his researches; he might, indeed, and he had a right to refer to the same originals; but if his predecessor had opened the sources for him, gratitude is not a silent virtue. – Isaac D’Israeli, “Quotation,” A Second Series of Curiosities of Literature

No, Sir, it is a good thing; there is a community of mind in it. Classical quotation is the parole of literary men all over the world. – Samuel Johnson, quoted in The Life of Samuel Johnson by James Boswell, Volume II