I
Babylon where I go dreaming
When I weary of to-day,
Weary of a world grown gray.
II
God loves an idle rainbow,
No less than laboring seas.
III
Reason has moons, but moons not hers
Lie mirrored on her sea,
Confounding her astronomers,
But, oh, delighting me!
Ralph Hodgson
http://www.poemhunter.com/poem/three-poems-3/