Spock: What is the purpose of a toy?
Sheldon: To be played with.
Spock: Therefore to not play with it would be...?
Sheldon: Illogical. Damn it, Spock, you're right.

Well, you should. 50% of marriages end in divorce, but 100% of make-your-own-sundae bars end in happiness

Yeah, I hate wedding receptions. Yeah, I wish the bride and groom would take a cue from Bilbo Baggins. Slip on the ring, disappear and everyone goes home.

Sheldon: Is the whip sound app contextually appropriate here?
Leonard: Uh, it is, but I think you might have waited too long for it to be funny.
[whip cracks]
Leonard: [Everyone laughs] I was wrong; it was still funny.

Leonard: We're always the good guys. In D&D, we're lawful good. In City of Heroes, we're the heroes. In Grand Theft Auto, we pay the prostitutes promptly and never hit them with a bat.
Sheldon: Those women are prostitutes? You said they were raising money for stem cell research.

Sorry, Stallion. You're weird friend, Giraffe, is here.

Penny

Howard: Now, I downloaded an app that might be helpful in this situation.
[whip cracks]
Sheldon: You're right. I'm smart as a whip. I should be able to figure this out.

Leonard: We'll miss you Sheldon.
Sheldon: Yeah, well, who wants to spend the whole weekend, running around a bunch of pretend planets, battling made up monsters? That's for babies.
Howard: Yeah, but it's got lightsabers.
Sheldon: Please, Amy! It's got lightsabers!

She's 93. She won't be disappointed for very long.

Penny: Please come home and let me cut your hair.
Sheldon: Amy what do you think?
Amy: There's not a hair on this body I wouldn't let this woman trim.

Penny: Where are you going?
Sheldon: Where ever the music takes me kitten.

Penny: Why did you get bongos?
Sheldon: Richard Feynman played bongos, I thought I would give that a try
Leonard: Richard Feynman was a physicist
Penny: It's three o'clock in the morning, I don't care if Richard Feynman was a purple leprechaun that lived in my butt!

TBBT Quotes

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.