Keith: [Keith shows up out of the blue in chemistry class] Four test tubes, three beakers, and a bunsen burner.
Mr. Miles: Yeah, okay, everything seems to be in order. Keys?
[Keith hands him his key]
Mr. Miles: Natalie? Key?
[Natalie hands him her key]
Keith: The end of chemistry as we know it.
Natalie: You're such a goddamn glib little actor! As far as I'm concerned, this is a really chicken shit goodbye!
[Natalie storms out of the room]
Keith: Don't worry, Walter, she was addressing her remarks to me.