Pham: When I at college, I in pure math. Any idiot can study it. First day learn to write proof, every class after that the same. There no numbers, only 3 letters w, x, y, z, and I know them very well. I don't even know a, b, c.
//during a driving class, talking about the dangers of trains Instructor: ...so he stepped back onto the track without looking, and what he didn't notice is that there was a train coming up right behind him. (pause) Kid: He's maaaaaad. Instructor: No, he's dead.