"If you wish to make an apple pie from scratch ...
... you must first invent the universe"
I don't often move off the subject of code on this site, but Carl Sagan has always been an inspiration on numerous levels.
November 7th, 2009, which is the 75th anniversary of his birth, has been declared the 1st annual Carl Sagan Day.
... And here's a nice remix tribute via Youtube to the man.