- Muslim Scholar No. 1: Allah be praised, I've invented the zero.
- Muslim Scholar No. 2: What's that?
- Muslim Scholar No. 1: Nothing.
- Early Man No. 1: Hey, do you realize you just invented the wheel?
- Early Man No. 2: I know, I know.
- Italian Renaissance Painter #1: Eh, whaddayou doing?
- Italian Renaissance Painter #2: I'ma paintin' the ceiling. Whaddayou doing?
- Italian Renaissance Painter #1: I'ma paintin' the floor!
- Germ: I'm a germ, I'm a bug. I'm a germ, I'm a bug.
- [sees a foot]
- Germ: Louis Pasteur! I'm not a germ, I'm not a bug. I'm not a germ, I'm not a bug.