Below is the quote from the essay Paul Graham (co-founder of Y Combinator) posted today:

"What can CMU do to help Pittsburgh become a startup hub? Be an even better research university. CMU is one of the best universities in the world, but imagine what things would be like if it were the very best, and everyone knew it. There are a lot of ambitious people who must go to the best place, wherever it is—if it's in Siberia. If CMU were it, they would all come here. There would be kids in Kazakhstan dreaming of one day living in Pittsburgh".

http://paulgraham.com/pgh.html

P/S: thanks to Tony for sending me this!