File:EverythingYou'veEverKnown.jpg

Screengrab of Dr. Colbert's guest, Astronaut Jim Lovell describing what it's like to hold your thumb up and cover the earth,
 * "It really is remarkable just to be out there around the moon and just see the earth as it really is. Because you can put your thumb up there and hide the moon, or hide the earth. And everything you've ever known is behind your thumb"

"The Colbert Report", October 3, 2007.