You can't trust atoms.
setup: You can’t trust atoms.
[Adam] I did so write this book.
[BILL] I’m not saying you didn’t but you’re telling me it’s a history book.
[Adam] Yes and so?
[BILL] Well, I know you. Are you sure you should be writing history?
[Adam] I’m sorry, but what are you driving at?
[BILL] Adam, you know your own history. Maybe a nice novel instead?
[Adam] You can’t tell me what to write! Next book, History of the Western Civilization! Nobody has done that before!
punchline: They make up everything.