George

Whe ... Well yeah!

Jerry

Because this world is your sanctuary and if that world comes into contact with --

George

YES! It Blows Up! If you knew that, what did you tell Elaine for?

Jerry

I didn't know. Kramer told me about the worlds.

George

You couldn't figure out the 'World's Theory' for yourself? It's just common sense. Anybody knows, ya gotta keep your worlds apart. (gesturing with hands going outward)