Adult Sheldon: In tenth grade, high school students are presented with picking a class of their own choosing. This is called an elective. Courses on offer included wood shop, I'm happy with ten fingers, thank you; introduction to agriculture, I think you know the answer to that; wrestling, I'd rather milk that cow. All of which led me to the elective I reluctantly chose, Psychology 101, an investigation into why people think and feel the way they do.

Adult Sheldon: I didn't realize until years later that my father was only asking questions about lightning and thunder to cheer me up. In fact, he would often pretend to be dumb just to make me feel better.

Adult Sheldon: My father didn't always get the credit he deserved. The advice he gave me actually worked out pretty well. Of course, I never told him.
George: Talked to Billy.
Missy: Why would you do that?
George: No, it was good.
Missy: Stay out of my life.
Adult Sheldon: He may not have been the world's greatest dad. But maybe we weren't the world's greatest kids.

Adult Sheldon: Ignoring things that irritate me isn't my strong suit. Obsessively fixating on them, now that's what gets me out of bed in the morning.

Tam: Spending the Thanksgiving weekend working in my family's convenience store, I observed my father and mother working from 6:00 in the morning till 10:00 at night. My hypothesis was that economic advancement for immigrant families is more important than celebrating a holiday where people eat until they pass out in front of the TV.
Mr. Givens: All right, Tam. Well, based on your observations and hypothesis, were you able to make a prediction?
Tam: Yes. At some point, my father would die prematurely from stress. And my mother will come live with me, where she will constantly disapprove of my hot, blonde, American wife.
Mr. Givens: Okay. Uh, I think we all learned something there. Uh, thank you, Tam.

George: Hey, Georgie, you have any sentimental attachment to this town?
Georgie: I don't know, why?
George: I'm just curious if, you know, we ever did pick up and live somewhere else, how you'd feel about it.
Georgie: Well, if it was Hawaii, I'd feel pretty great. That's where they make Magnum, P.I.
George: I don't think Hawaii's in the cards.
Georgie: How about Miami?
George: Let me guess, 'cause of Miami Vice?
Georgie: Golden Girls.
George: Course.
Sheldon: Car.
Georgie: I saw this one where Blanche dates this little guy who breaks up with her 'cause she's not Jewish. So good.
George: Forget about Miami and Hawaii and Blanche.

Sheldon: Well, I was supposed to observe family dynamics over Thanksgiving for my hypothesis, then make a prediction.
Dr. John Sturgis: Oh. All right. So, um, what did you observe?
Sheldon: My mom and dad arguing over moving to Oklahoma for my dad's job.
Dr. John Sturgis: I would concur with that observation. Now, can you form a hypothesis based on that?
Sheldon: Well, their marriage is a zero sum game. What's good for my father isn't good for my mother and vice versa.
Dr. John Sturgis: Excellent. And your prediction?
Sheldon: Well, based on previous arguments I've observed, my father will try to reassert his dominance by making a meaningless symbolic gesture.
Dr. John Sturgis: Really? That seems a bit of a stretch. [George pulls up in a red Fiero with REO Speedwagon's "Take it on the Run" blaring] I will never question you again.