Mary: Oh, um, and if there's anyone who's able to help me clean out his house, please let me know.
Elliot: Ooh, you know I love to tackle clutter. We'll do it!
Mary: Oh, thank you.

Adult Sheldon: Dr. Sturgis was a wise man. It was a learning opportunity. And when the day comes that I'm wrong, I fully plan to admit it.

George: I may not understand exactly what's going on with you and Dr. Sturgis, but you can't be rude to an adult.
Sheldon: What if they're wrong?
George: Doesn't matter. There are plenty of stupid people in the world, but when they're older than you, you got to show them respect.
Sheldon: I understand, sir. Thank you for your incredibly wise advice.
George: Okay.
Missy: Did you just call Dad stupid without calling him stupid?
Sheldon: Yes.

Ms. Ingram: Today we're gonna work on interior angles of a convex polygon. Georgie, where's your brother?
Georgie: I don't know, do you really want him here?
Ms. Ingram: Convex polygons are polygons...