Amy: I have potential for sexual arousal.
Sheldon: A cross we all must bear.

Penny: That's thinking ahead.
Sheldon: The alternative would be to think backwards.. and that's just remembering.

Amy: Sheldon, I am not going through menopause.
Sheldon: Are you sure? You said that with the testy bark of an old bitty.

I'd like to say I'm very happy that you're back together, and if I can figure out a way to do so and sound sincere, I will.

Even at Star Trek conventions, they only let him in if he helps set up!

Well, if it isn't Wil Wheaton, the Jar-Jar Binks of the "Star Trek" universe.

Sheldon: And here's where we are -- the runts in a large litter unlikely to ever reach the nourishing teats of Indiana Jones.
Leonard: So it's good we stopped for dinner.

I find zombies dancing in choreographed synchronicity implausible. And also it's really scary.

No, Gorn, no! That's where I sit.

I don't like the Olive Garden. They treat me like family.

If we're changing topics, I believe I have dibs with the capybara, a rodent the size of a baby hippo.

Wolowitz: You love that spot.
Sheldon: No, I love my mother. My feelings for my spot are much greater. It is the singular location in space around which revolves my entire universe. And now it's yours.

TBBT Quotes

Oh, Bernadette, please play my clarinet.

Raj's poem

Sheldon: I'll have a diet Coke.
Penny: Can you please order a cocktail? I need to practice mixing drinks.
Sheldon: Fine... I'll have a virgin Cuba Libre.
Penny: That's... rum and Coke without the rum.
Sheldon: Yes, and would you make it diet?