As Emerson once said, "By necessity, by proclivity--and by delight, we all quote." We quote from the Bible and from Shakespeare, from Churchill and Will Rogers, we quote to amuse our friends, to spice our conversation or our writing, to lend authority to what we say. We even quote without knowing whom we quote, saying "love conquers all" (Virgil, The Aeneid) or "damn with faint praise" (Pope, Epistle to Dr. Arbuthnot).
In this revised and expanded...