Somewhat related:
That little detail somebody mentioned that you thought had nothing to do with the story turns out to be really important later.

__________________
Rovers forever! - ToSeek
"The only way to explore the universe is to go and look." - Brian Cox
Well, the best way to find out is to go there and, find out. - Raven's Cry
'Evolution and science are one thing, but you don’t mess with Yoko Ono. Everybody knows that. ' - 386sx