Sheldon: The thing about tomatoes, I think you will really enjoy this, is that they are shelved with the vegetables but they are technically a fruit.
Penny: Interesting.
Sheldon: Isn't it!
Penny: No, I mean what you find enjoyable.

Sheldon: Woman, you are playing with forces beyond your ken.
Penny: Yeah, well your Ken can kiss my Barbie.

Leonard: What am I supposed to do?
Penny: Err, keep your mouth off other women.

Leonard: If I take it off, Sheldon wins.
Penny: Sweetie, every night you don't kill him in his sleep, he wins.

Mary: He gets his temper from his daddy.
Leonard: Ah!
Mary: He's got my eyes.
Leonard: I see!
Mary: All that science stuff, that comes from Jesus.

Mary Cooper: You don't hunt, do you?

Mary Cooper: I'm sorry, did I start that sentence with the words, "If it pleases your highness?"