1. It is a truth universally acknowledged that no matter how many times the instructor reminds her students to append their names to their assignments, at least one student will opt for anonymity.
2. Most teaching texts include footnotes or endnotes. Footnotes and endnotes have remarkable use value, especially when they explicate the meanings of unfamiliar words or identify now-forgotten historical or cultural facts. Convincing students of said use value, however, seems to be a largely impossible task.