Quote from Stuart in the episode Spoiler: Gary Dies
Traveler: You can put everything right. You can make it the way it was. You just have to find the... Stuart: Hang on. Hang on! If you're me from another reality, how can you be in this one? Traveler: I don't know. I'm not a quantum physicist. I went to the Rhode Island School of Design. Bert: I didn't know that. Stuart: Oh, yeah, I have a BFA. Bert: Really? How come you never did anything with it? Stuart: What am I gonna do, teach high school kids how to draw fruit?