How should you mark the first footnote of your research paper in the body of the paper?

The last two lines in a shakespearean sonnet are always without rhyme a rhymed couplet a metaphor humorous

Making ethical decisions in the health care setting can be confusing. ethical dilemmas are found in almost every aspect of the health care delivery system. the word ethics comes from the greek ethos, meaning custom, usage, or character. ethical study is related to philosophy, the pursuit of wisdom. ethical theories attempt to systemize, defend, and recommend concepts of right and wrong behavior. we all have opinions and beliefs about ethics, even if we’re not fully conscious of them. based on the paragraph, what does ethical mean? being in accordance with accepted principles of right and wrong that govern the conduct of a profession of, relating to, or based on philosophy restricted to sale only based on a doctor's prescription knowledge of what's proper or reasonable; using good sense or judgment in a professional setting

Laugh and be merry, remember, better the world with a song,    better the world with a blow in the teeth of a wrong.    laugh, for the time is brief, a thread the length of a span.    laugh and be proud to belong to the old proud pageant of man. (laugh and be merry/john masefield/public domain) which of these is the main idea of the poem?