Amy: What's going on?
Howard: Sheldon went to the Air Force behind our backs.
Sheldon: I did nothing of the sort. I had an idea for a neutrino-based communication system, I presented it to them, and they were interested.
Howard: But your communication system was based on our guidance system.
Sheldon: And sonar is based on bats. You don't see them hanging upside down in a patent attorney's office.

Sheldon: Why did you tell Barry Kripke your idea? This is all your fault.
Leonard: No, it's your fault. If you would've come to us in the beginning, none of this would've happened.
Amy: Well, if it helps, you all behaved terribly and you deserve what you got.
Sheldon: Well, that doesn't help, at all. You know, sometimes your social skills are very poor.

Leonard: Sheldon, please.
Sheldon: Should I be the bigger man?
Amy: I think you should.
Sheldon: (snorts) Oh, why'd I ask you?

Penny: No, no, no. I am alone. I'm just telling Leonard why I broke up with him.
Sheldon: Oh, he knows. The video I want to see is why you went out with him in the first place.

Sheldon: Well, that is unfortunate. I guess we've all learned a lesson today.
Amy: What was the lesson?
Sheldon: I don't know.

Sheldon: I don't understand what's going on here.
Raj: Oh, what's going on here is I'm up for a job at the planetarium, and Howard is making fun of me.
Sheldon: Oh, that's great. You're both doing what you love.

Amy: Thanks for your input, but this is my decision, and I'm gonna go with Old English calligraphy on Egyptian papyrus.
Sheldon: Oh, what a fun mashup. It's like the chicken and waffles of orthography.

Penny: You should just talk to him, I'm sure you guys can work this out.
Sheldon: It's certainly preferable to my plan.
Penny: Which was?
Sheldon: A powerful laxative.

Sheldon: I know you have a lot on your mind, but when do you think we'll have an answer on those cake flowers?

Sheldon: It's for her surprise frontier birthday dinner. I am making hardtack, boiled salt pork, and because it's a special day, a chewable gob of tree sap.
Penny: Is that good?
Sheldon: Uh, compared to other foods, no. Compared to other parts of a tree? Eh.

Sheldon: Now, would you care to join me for an authentic frontier dinner made entirely from scratch?
Amy: I can't believe you did this. It's amazing!
Sheldon: Oh, it's not a big deal. Just to be clear, it was a big deal. I was being modest. You got that, right?
Amy: Loud and clear.

Amy: No, I-I'm serious. Do you think there was something wrong with that food?
Sheldon: Frontier scallops? I shouldn't think so.

Amy: My stomach's feeling a little weird.
Sheldon: Yeah. Uh, mine, too. I'm sure it's just the first sharp cramps of arousal.
Amy: No. Th-This doesn't feel right.
Sheldon: Hey, hey, save that sexy talk for the bedroom.

Penny: So Leonard, tell everyone your news.
Leonard: Oh, oh, I'm starting a book.
Sheldon: That would be big news from Penny, but you've read a book before.

Sheldon: [cell phone rining] Oh, dang it. Hello, Mother.
Mary Cooper: Hi there, Shelly. You will never believe who I ran into at the barbecue festival.
Sheldon: I am right in the middle of some very important work. I don't have time for this right now.
Mary Cooper: Then why did you answer the phone?
Sheldon: Because you raised me to be polite. Now stop bothering me. [hangs up]