Omar Khayyam’s Secret: Hermeneutics of the Robaiyat in Quantum Sociological Imagination: Book 10: Khayyami Robaiyat: Part 3 of 3: Quatrains 686-1000: Songs of Joy Addressing the Question “Why Can Happiness Exist?”: Explained with New English Verse Translations and Organized Logically Following Omar Khayyam’s Own Three-Phased Method of Inquiry