THE vision will vanish for ever,
That gildeth this moment thy track;
And in vain were the noblest endeavour
To call the enchantment back.

Yet pine not; a balm—an ovation
Is thine in the thought, that the day
Will come when thy bleak desolation
Will pass like thy vision away.

Joseph Skipsey

http://www.poemhunter.com/poem/the-oracle-4/