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Raj [to Leonard]: What about Leslie Winkle?
Sheldon: Oh, no.
Sheldon: Her research methodology is sloppy, she's unjustifiably arrogant about loop quantum gravity, and to make matters worse, she's often mean to me
- Permalink: What about Leslie Winkle? Oh, no. Why? Her research method...
Everybody has a date. Even you Mario, going after Princess Peach. What am I doing? I'm just enabling you.
- Permalink: Everybody has a date. Even you Mario, going after Princess Peach...
Sheldon: Why should I leave? This is my apartment, too.
Leonard: I know it is. And if science ever discovers a second member of your species, and you two would like some privacy, I'll be more than happy to get out of your way
- Permalink: Why should I leave? This is my apartment, too. I know it is. A...
Leonard: How could you just sit there and let them spy on me?
Sheldon: They were clever, Leonard. They exploited my complete lack of interest in what you were doing
- Permalink: How could you just sit there and let them spy on me? They were...
Sheldon: You're asking me to keep a secret?
Sheldon: Well, I'm sorry, but you would have had to express that desire before revealing the secret, so that I could choose whether or not I wanted to accept the covenant of secret-keeping. You can't impose a secret on an ex post facto basis.
Sheldon: Secret-keeping is a complicated endeavor. One has to be concerned not only about what one says, but about facial expressions, autonomic reflexes. When I try to deceive, I myself have more nervous tics then a Lyme disease research facility.... It's a joke. It relies on the homonymic relationship between "tick," the bloodsucking arachnid, and "tic," the involuntary muscular contraction. I made it up myself
- Permalink: You're asking me to keep a secret? Yeah. Well, I'm sorry, bu...
Sheldon: So, you're saying that friendship contains within it an inherent obligation to maintain confidences?
Penny: Well, yeah.
Sheldon: Interesting. One more questionâ€”and perhaps I should have led with thisâ€”when did we become friends?
- Permalink: So, you're saying that friendship contains within it an inherent...
Leonard: What do you mean, you're moving out? Why?
Sheldon: There doesn't have to be a reason.
Leonard: Yeah, there kinda does.
Sheldon: Not necessarily. This is a classic example of MÃ¼nchhausen's Trilemma. Either the reason is predicated on a series of sub-reasons leading to an infinite regression, or it tracks back to arbitrary axiomatic statements, or it's ultimately circular, i.e. I'm moving out because I'm moving out.
Leonard: I'm still confused.
Sheldon: Leonard, I don't see how I could have made it any simpler
- Permalink: What do you mean, you're moving out? Why? There doesn't have t...
Penny: Has [Leonard] ever been involved with someone who wasn't a brainiac?
Sheldon: Oh, well, a few years ago, he did go out with someone who had a Ph.D. in French Literature.
Penny: How is that not a brainiac?
Sheldon: Well, for one thing, she was French. For another, it was literature
- Permalink: Has ever been involved with someone who wasn't a brainiac? Oh...
Howard. You do not have a PhD. Your cologne is an assault on the senses, and you're not available for video games during the Jewish high holidays
- Permalink: Howard. You do not have a PhD. Your cologne is an assault on the...
What part of an inverse tangent approaching an asymptote don't you understand?
- Permalink: What part of an inverse tangent approaching an asymptote don't y...
A fear of heights is illogical. A fear of falling, on the other hand, is prudent and evolutionary
- Permalink: A fear of heights is illogical. A fear of falling, on the other ...
Sheldon [looking at the women's book in a bookstore]: "Coping with the Death of a Loved One." My condolences
Woman: Thank you
Sheldon: Family or friend?
Sheldon: Too bad. If it had been a friend, I'm available to fill the void
- Permalink: Coping with the Death of a Loved One. My condolences Thank you...