Bear in mind the employment of instruments and the pointing out of significant symptoms, and so forth. And if for the sake of a crowded audience you do wish to hold a lecture, your ambition is no laudable one, and at least avoid all citations from the poets, for to quote them argues feeble industry. For I forbid in medical practice an industry not pertinent to the art, and laboriously far-fetched, See p. 308. and which therefore has in itself alone an attractive grace. For you will achieve the empty toil of a drone and a drone’s spoils. See p. 308.