Sheldon: Was Ms. Ingram upset I wasn't in class?
Tam: Actually, she was happy. She even did a little dance.

Mary: You smoke marijuana?
Sheldon: Mom!
Libby: No, ma'am.
Tam: Just say no. [Mary shoots him an unimpressed look]

Tam: Look at this, my mother left me a note. "You can do better. Mom." Not "Love, Mom," not "XO, Mom," just "Mom."

Tam: Hey, I've been looking all over for you. Do you know how popular we are?
Sheldon: We?
Tam: Yeah. I put the word out I was helping you with the football stats. And since I'm Asian, they bought it.

George Sr.: Damn it. I've had enough of this. Sheldon, get up.
Sheldon: What's the point?
George Sr.: We're going to Houston.
Sheldon: Really?
George Sr.: Yeah. You and me are gonna give those space monkeys a little talkin' to.
Adult Sheldon: I often found my father to be a strange and puzzling man, but at that moment, I never loved him more.

Adult Sheldon: People often wonder why I chose to pursue a career in theoretical physics. I usually respond by saying I wanted to unravel the inner workings of the universe. But the real answer was I wanted to prove this nincompoop wrong.

George Jr.: Are you dyin'?
Meemaw: We're all dyin', honey. From the second we're born, it's just a slip and slide into the darkness.
George Jr.: Unless you get bit by a vampire.
Meemaw: Well, now that goes without saying.