Reese: It's weird. I used to just think thoughts. Now my thoughts are thinking thoughts. It's like, if I don't exist, who's saying if I don't exist? You know what I mean? I'll tell you who's saying it. Me. It's like I think, therefore... Oh, wait. I had it.
Dewey: Don't worry, Reese, it'll come back around.
Reese: Yeah. Hey, you spoke to me. I exist.
Dewey: For now.