Some say the world will end in fire; 
Some say in ice. 
From what I've tasted of desire 
I hold with those who favor fire. 
But if it had to perish twice, 
I think I know enough of hate 
To know that for destruction ice 
Is also great 
And would suffice.
Robert Lee Frost
http://www.poemhunter.com/poem/fire-and-ice-2/