"That's one way to consider our cosmic insignificance," Doc answers with an approving smile. "No matter how large the problems we face...they're little more than stardust. Bright, beautiful, fleeting...but all life is, and that makes it so precious."

He's gone down these tangential roads before, but they're always a fun trip. He leans back to get a better look. "At any rate, it beats the view from under yet another truck."