Talk:Poems That Every Child Should Know/On His Blindness

The "All service ... " quote is Robert Browning. I'm pretty sure ...

http://books.google.com/books?id=7gAkAAAAMAAJ&pg=PA786&lpg=PA786&dq=all+service+ranks+the+same+with+god&source=web&ots=canV8yO74n&sig=-SwPw1PaOk2yfkspQx8JHJgPwB4

Should it be attributed?