Nothing beside remains.
The lone and level sands stretch far away. On a side note, this doesn't seem to fit into any of the traditional sonnet forms, the rhyme scheme being ababa cdcdc efef, though structurally it divides into the 8 and 6 of the Petrarchan pattern. Ozymandias, incidentally, was Rameses II, who was survived by his pyramid if nothing else. If anyone would know how great I am and where I lie, let him surpass any of my works. Shelley was, along with Byron and Keats, one of the major poets of the Later Romantic period.