XLVIX."'Tis all a Chequer-board of Nights and DaysWhere Destiny with Men for Pieces plays:Hither and thither moves, and mates, and slays,And one by one back in the Closet lays. "Rubaiyat of Omar KhayyamRendered into English Verse by Edward Fitzgerald, First Editionhttp://www.teachersoft.com/Library/poetry/fitzgrld/chapt01.htm"Impotent Pieces of the Game He playsUpon this Chequer-board of Nights and Days;


Fifth edition, http://www.nmaa.si.edu/vedder/slide37p.html  There are other editions, and other translations, but none, I think, on the Web.