My spirit like a charmed bark doth swim 
Upon the liquid waves of thy sweet singing, 
Far far away into the regions dim 
 
Of rapture—as a boat, with swift sails winging 
Its way adown some many-winding river, 
Speeds through dark forests o'er the waters swinging...
Percy Bysshe Shelley
http://www.poemhunter.com/poem/fragment-to-one-singing/