Howard: Do you know who she is?
Stuart: Oh, sure, yeah. That's Cynthia.
Raj: Wha s-so, she's a customer?
Stuart: Yeah, yeah, but I-I haven't seen her in a while. And before you say anything, there is a lot of reasons women stop coming here. It's not just me.

Stuart: Oh, Sheldon, I'm afraid you couldn't be more wrong.
Sheldon: More wrong? Wrong is an absolute state and not subject to gradation.
Stuart: Of course it is. It's a little wrong to say a tomato is a vegetable, it's very wrong to say it's a suspension bridge.

Stuart: Would you mind stocking these?
Denise: Actually, I'm not on the clock today. I'm just hanging out with my boyfriend.
Stuart: Ah, cool. Huh. That's me, right?
Denise: Oh, I forgot to tell you, I broke up with you, and now I'm dating that guy.
Stuart: I know you're joking, but my flight-or-flight response doesn't.
Denise: Isn't it fight-or-flight?
Stuart: Not for me.

Stuart: Whoa, whoa. You're not gonna cut open a meteor, are you? Have you not learned anything from comic books? Space viruses? Pod people? I sell nothing but warnings.

Amy: Sheldon, I have an advanced degree in the study of the human brain, so if my fiancé is a raving lunatic, it's kind of a ding on my reputation.
Sheldon: If leaders just stepped aside every time they didn't have the consent of the governed, what would we have?
Amy: Democracy.
Sheldon: Not on my watch.

Amy: Sheldon, it's the American way, the peaceful transfer of power.
Sheldon: I don't know.
Leonard: Think about Ant-Man.
Sheldon: I'm always thinking about Ant-Man.
Leonard: Michael Douglas had the suit and then he passed it on to Paul Rudd.
Sheldon: Maybe you're right.
Amy: Really? The Ant-Man thing? That's what won you over?
Sheldon: Yes. He got the details right. That's how you use a superhero.

Sheldon: Instead of being in charge, I can be the vocal opposition, criticizing and badgering the president at every turn.
Amy: I think you'll be really good at that.
Sheldon: Me, too.
Leonard: I think I made a huge mistake.
Penny: Me, too.