Michael Scott: How do you un-tell something? You can't. You can't put words back in your mouth. What you can do is spread false gossip so that people think that everything that's been said is untrue, including "Stanley is having an affair." It's like the end of Spartacus. I've seen that movie half a dozen times, and I still don't know who the real Spartacus is, and that is what makes that movie a classic whodunit.

Michael Scott: Man, I know how you feel. Third wheel. I have been the third wheel so many times in my life. My mom told me something once that made me feel a lot better. She said "The third wheel is what makes it a tricycle."

Creed: [to Jim & Pam] Hey, did one of you tell Stanley I have asthma? Because I don't, and if it gets out, they won't let me scuba.
[aside to camera:]
Creed: If I can't scuba, then what's this all been about? What am I working toward?