I am now to offer some thoughts upon that sameness or familiarity which we frequently find between passages in different authors without quotation. This may be one of three things either what is called Plagiarism, or Imitation, or Coincidence. – James Boswell, “The Hypochondriack,” No.XXII, 1779

There is hardly a mistake which in the course of our lives we have committed, but some proverb, had we known and attended to its lesson, might have saved us from it. – Richard Chenevix Trench, Proverbs and Their Lessons, 1905

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

For I often please myself with the fancy, now that I may have saved from oblivion the only striking passage in a whole volume, and now that I may have attracted notice to a writer undeservedly forgotten. – Samuel Taylor Coleridge