No need to. As soon as she flies into California air space, I'll feel a disturbance in the force.

Penny: Think we'll have time to visit your mom while we're there?
Leonard: Yes. We'll also have time to put my junk in a garlic press, but I'm not doing that either.

Sheldon: Aren't you afraid of being blinded?
Leonard: How would I be blinded?
Sheldon: At the end of the ceremony, all the students throw those pointy hats in the air. It's all pomp and circumstance until someone loses an eye.

Sheldon: [singing] The itsy bitsy spider is not an insect at all. Because it has eight legs and two body parts.
Leonard: That’s pretty cool, Sheldon.
Sheldon: Thank you. Do either of you know Beyonce? I’d love her to get behind it.

Wil Wheaton: Leonard, a moment ago, you were dead set against Penny resuming her acting career, but now you're all for it. Is it fair to say she played you like a violin?
Leonard: Yes it is, Wil.

Sheldon: Is that the attitude to helped you get Penny?
Leonard: No, but I don't have three years to make that gate feel sorry for me.

Sheldon: Play that funky music, white boy!
Leonard: I'm surprised you know that reference.
Sheldon: What reference?

Sheldon: Would you like to play a physics car game I invented called "I Can't Spy"? It's all the nail biting tension of "I Spy," but the added fun of sub-atomic particles and waves outside the visible spectrum.
Leonard: If it's half as much fun as "One Times Ten to the Fourth Bottles of Beer on the Wall," I'm in.

Penny: I mean, who even reads Scientific American.
Leonard: It's kind of a big deal.
Penny: If it's such a big deal, how come the biggest celebrity they could get for the cover is a molecule?

Leonard: And we weren't even watching TV! We were watching Netflix like the kids do!
Penny: Yeah! Is it a comedy? Is it a drama? Nobody knows!

Leonard: It comes with paints and it's kind of creative and artistic.
Penny: Okay, did you go to the dirty store, or Michaels?

Leonard: I'm telling you, you can't create love in a few hours. Right?
Penny: Careful. You're poking at the whole foundation of The Bachelor.

TBBT Quotes

Raj: Well, to paraphrase Shakespeare: It's better to have loved and lost than to stay home every night and download increasingly shameful pornography.
Penny: Oh... you poor baby.
Raj: What's wrong with me, Penny?
Penny: Nothing, nothing. You know, if we weren't friends - and you hadn't brought up that creepy pornography story - I'd be on you like the speed of light squared on matter to make energy.
Raj: Hey, you totally got that right. E = MC squared.
Penny: I listen. I have no idea what it means, but I listen.

Sheldon: I recently read that during World War Two, Joseph Stalin had a research program to create supersoldiers by having women impregnated by gorillas.
Howard: What a sick use of science.
Raj: Hey, as long as the baby's healthy.
Amy: I wonder if Stalin considered any other animals.
Leonard: Hippos are the deadliest creature. A half-human, half-hippo soldier would be pretty badass.
Howard: Yes, but when they're hungry-hungry, you can stop them with marbles.
Sheldon: Yeah, the correct animal for interspecies supersolider is koala. You would wind up with an army so cute it couldn't be attacked.