The Doctor: I’m 907. After a while, you just can’t see it.
Amy Pond: See what?
The Doctor: I look at a star and it’s just a big ball of burning gas and I know how it began and I know how it ends and I was probably there both times. Now after a while everything is just stuff. That’s the problem - You make all of space and time your backyard and what do you have? A backyard.
