Think, in this batter'd Caravanserai
Whose portals are alternate Night and Day,
How Sultan after Sultan with his Pomp
Abode his destin'd Hour and went his way.
Omar Khayyam, Edward FitzGerald, Christopher Decker (1997). “Edward FitzGerald, Rubáiyát of Omar Khayyám: A Critical Edition”, p.136, University of Virginia Press