Sadly Both The Flower And Fair Maiden Must Fade Comments

Part of my tribute to Heinrich Heine, Hitler and the Nazi's hated him and burned his books but strangely a 100 years before the rise of Hitler, Heinrich Heine predicted it was where Germany was heading, even got the part about they would starting with burning books then people right; so despite the translations losing some of the mystic and power of his writing, I wanted to do some pieces with a modern take on some of his work, posted 'A Golden-Haired Lady Walked Under Chestnut Trees' echoing his style in a retro spin, a little old a little new. Sonnet 18 by which poet?