Howard: What up, my Hebrews and She-brews?!

Howard: (singing) Alone in my temple in the middle of Peru, A giant stone ball with nothing to do,
Raj: But if you steal my idol, I will roll right over you
All: Cause I'm six tons of granite, And micaceous schist. Yeah, I'm six tons of granite, And micaceous schist,
Bert: I'm gonna crush you, I'm gonna mush you, You took my idol, I'm homicidal, Gonna roll over you till your brains come out, And your bones will crunch and your blood will spout! I'm not just a rock, baby. I'm a boulder.
All: Cause I'm six tons of granite, And micaceous schist. Yeah, I'm six tons of granite, And micaceous schist, Yeah, I'm six tons of granite-

Mary Cooper: Oh, Shelly. I have bad news. Mr. Watkins passed this morning.
Sheldon: Oh. Oh, I'm-I'm sorry.
Mary Cooper: I know. What are the odds of that?
Sheldon: Call you back.

Leonard: Thought you were getting us dinner.
Penny: Sorry. I had to stop at Sheldon's and help him solve string theory.
Amy: What?
Penny: Yeah, turns out the answer's knots.
Leonard: That's cute, but you can't have knots in more than four dimensions.
Penny: Mmm ... you can if you consider them sheets. [chuckling] Good night.

Sheldon: One thing you can't get on an iPad, the smell of ink and paper. One more reason iPads are better.

Raj: Hey! Look what I got everybody.
Leonard: Newspapers? Did you find a portal back to the 1990s?
Penny: No. If he had that, he'd be trying to prevent NSYNC from breaking up.
Raj: Oh, please. I'm glad they broke up. Otherwise, Justin would never have brought sexy back.

Amy: Okay, how do you want to play this? Do you want to pretend like nothing's bothering you and blow up later, or do you just want to be a maniac right now?

Penny: Wow, I didn't think anything could top last night's spelling bee, but here comes math.

Bert: Hey, you want to hear one of my geology songs?
Raj: So it's about rocks?
Bert: Better. It's about a boulder.
Raj: Isn't that the same thing?
Bert: Far from it. A boulder has a diameter greater than 25.6 centimeters.
Raj: Is that fact in the song?
Bert: No ... yes.

Sheldon: Well, if I'm being honest, I never forgot about string theory. It's remarkable. It's the closest we've come to a theory of everything, something even Einstein couldn't figure out.
Penny: Well, if he couldn't figure it out, maybe it's just wrong.
Sheldon: But it's so elegant. I mean, look, [drawing on his white board] string theory posits that the fundamental particles we see in three dimensions are actually strings embedded in multidimensional space-time.
Penny: Interesting. So that would mean ... that [silence] ... Can't do this by myself, buddy.

Bert: Alone in my temple in the middle of Peru, A giant stone ball with nothing much to do, But if you steal my idol, I will roll right over you, 'Cause I'm six tons of granite and micaceous schist, Yeah, I'm six tons of granite and,
Both: Micaceous schist, Yeah, I'm six tons of granite and, micaceous schist, Yeah, I'm six tons of granite And, uh, micaceous schist Yeah, I'm six-

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]

Leonard: I'm sorry, we don't have to do more experiments. Let's do something we can all enjoy.
Amy: Hey, uh, you want to watch that show you like where people want to buy a house and then they do?

Penny: I remember telling Jenny Runyon that I would teach her how to flirt with boys if she put my name on her project. I got an "A", she got pregnant.
Amy: Girls like you are why I had to come straight home after school.

Leonard: Too bad, you guys kill at bar mitzvahs. And other events that people can't leave.