Brain Snacks: Tasty Tidbits of Knowledge
The last line of the poem, "Lilies that fester, smell far worse than weeds," also appeared in a play called The Reign of King Edward III, which some folks attribute to Shakespeare. Sure, he may have repeated himself, but it's possible someone else just stole the line. Alas, we'll never know. (Source.)
According to Time Magazine, the mystery of the authorship of The Reign of King Edward III, was somewhat solved by… wait for it… plagiarism software. Yep, that's definitely worth investigating. (Source.)