I stood upon a heaven-cleaving turret
Which overlooked a wide Metropolis--
And in the temple of my heart my Spirit
Lay prostrate, and with parted lips did kiss
The dust of Desolations [altar] hearth--
And with a voice too faint to falter
It shook that trembling fane with its weak prayer
'Twas noon,--the sleeping skies were blue
The city...

Percy Bysshe Shelley

http://www.poemhunter.com/poem/i-stood-upon-a-heaven-cleaving-turret/