Amy: Okay, that's enough.
Penny: What, no. I really want to know what happens. And Bernadette really, really, really wants to know what happens.

Penny: "It was just past dawn on the prairie and, like every morning, Amelia prepared to do her chores. Except something about this morning felt different."
Bernadette: Why? Why did it feel different?
Penny: "Maybe it was the first whisper of winter in the air. Or maybe it was the unconscious, handsome man with porcelain skin and curious clothing she was about to discover lying in the field. A man who would open her mind to new possibilities and her body to new feelings."

Penny: You look like a talking cupcake.

Amy: Whatever happened to that ape movie you were in?
Penny: Oh, God. Probably nothing. I think I saw the director twirling a sign outside the Verizon store.

Penny: You're building a particle detector using super-fluid helium.
Leonard: You know, when you talk like that, I want to take you right here on this table.
Penny: And you know from past experience, this table can not support both our weight.

Leonard: This is exciting. This is really exciting. I have to go find Sheldon.
Penny: Okay, well, if you find him use the kitchen island. That coffee table will not support both of you.

Penny: Well, of course he's desirable. I mean, he's great. He's smart, he's sweet and, ooh, in the bedroom, whew, let me tell you he really tries.

Amy: Sheldon told me he had a new assistant named Alex. He didn't mention that Alex was a girl.
Penny: Maybe he didn't notice.

Penny: She is not going to come on to Sheldon.
Amy: Oh, really? Look at this face. How can any woman spend eight hours a day alone with this face and not fall in love with it?
Penny: Well, for starters, at some point that face starts talking.

Sheldon: Are you familiar with the Higgs boson?
Penny: Of course, it is - it's been in the news. And it's a very famous boson.
Sheldon: Nice try.

Leonard: I'm no expert, but I think the hook has to go through the worm.
Howard: Fine. Sorry, Mr. Worm. Sherm. Sherm the Worm.
Penny: Hey, don't name him. Just jab a hook in his face.

Leonard: It's hard sometimes. Everywhere you go, guys hit on you, even if I'm standing right there. And they're all taller than me. Why is everyone taller than me? You know what, this is all in my head. It's my problem, not yours.
Penny: Leonard, why do you always do this? Listen to me, you're the one I'm with. You know I love you. So will you please relax, because you're driving me crazy.
Leonard: You know that's the first time you ever said you love me.
Penny: Yeah.
Leonard: We're just supposed to pretend it's not a big deal?
Penny: That's exactly what we're gonna do, because you're about to make me cry. And we both know if I start crying, you're gonna start crying.
Leonard: You're right, I should go.

Penny: Hey, shouldn't you be out with your gang, spray painting equations on the side of buildings?
Leonard: Come on, I'm sorry.

Penny: Look, he just moved here from London, okay? He doesn't really know anybody.
Leonard: Oh, good, an English accent, the sexiest accent you can have.
Penny: No, that's not true. There's French, there's Italian. No, you're right, it's the best.

Penny: Sheldon, we are just people. We talk about the same things you guys talk about.
Sheldon: You talk about if werewolves can swim? See, Leonard says yes, but I say it depends on whether the human could swim before he was bitten. What do you think?
Penny: Let's just talk about our periods.