- Mary Cooper: [Referring obviously to Peg's severe smoker's cough] Do you ever think about quitting?
- Peg: [Without missing a beat] This job? Yes.
- [Sheldon reads the signature just added to his unpopular petition to keep his school's science requirement strong]
- Sheldon Cooper: 'Ben Dover'. Thanks, Ben.
- [Mary has just said the 'Amen' to a prayer in her backyard garden, then turns to see Sheldon standing next to her]
- Mary Cooper: Oh - uh, Hey, Baby.
- [she pauses to regain her composure]
- Mary Cooper: What's wrong?
- Sheldon Cooper: Is it that obvious?
- Mary Cooper: Well, you are outside, where birds live.
- Sheldon Cooper: True. I'll make it quick. I'm experiencing what the Germans call 'Weltschmerz'.
- Mary Cooper: Uh-huh, and what do Americans call it?
- Sheldon Cooper: The pain of the world.
- Mary Cooper: Sounds more fun in German.
- Sheldon Cooper: Most things do.
- Dr. Linkletter: [about reducing gen ed science requirements] Sorry, there's nothing I can do about it.
- Sheldon Cooper: I understand. You're just a cog in the machine. In fact, why am I talking to you?
- Dr. Linkletter: Feel free to stop.