Sheldon: Are you wearing cologne?
George Jr.: No.
Sheldon: Georgie, I have the olfactory senses of a polar bear. They can smell a seal through three feet of ice.

Missy: What's it like to not believe in God?
Sheldon: It's great. Big fan.
Missy: Are you ever afraid you're wrong?
Sheldon: About religion? Never. About other things? Also never.

Principal Petersen: Our next young speaker needs no introduction, but that didn't stop him from writing one and making me read it. [laughter] "Fun fact." [audience groans, murmurs] I hear you. "The word 'valedictorian' is from the Latin 'valedicere,' meaning 'to say farewell.' It is primarily used in the United States, Canada, the Philippines and Armenia." Maybe that fact's more fun in Armenia. Please welcome your valedictorian, Sheldon Cooper.
Mary: Yay, Shelly!
Sheldon: Hello. I'm not very comfortable speaking in front of crowds. But there's a technique to reduce stage fright by focusing on one person in the audience and delivering your speech just to them. That's what I'll be doing today. If it weren't for this person, I wouldn't be here right now. They've taught me a lot, and it's by their example that I found the courage to move forward into this new and exciting chapter of my life. Missy... ...this is for you. Change can be scary, but I know we're going to be fine... ...because like you said, "It's okay to be scared. We just have to do it anyway." So if any of my fellow graduates are nervous about the future, know that you're not alone. I suggest you all try to be as brave as my twin sister. That's my plan. Missy, I wish I could give you advice about middle school, but I was so smart, I skipped it. If you make it to high school, we'll talk. Thank you. [applause]

Mary: Let's say grace.
Sheldon: Hang on, safety first. [puts mittens on]
George Jr.: When are you gonna get over that?
Sheldon: I would think recent events would make you value protection.
Mary: Enough.

Meemaw: Hello?
Dr. John Sturgis: Did you know that word "hello" wasn't used as a greeting - until the invention of the telephone?
Meemaw: Hi, John.
Dr. John Sturgis: To end a phone call, it was suggested to say, "That is all."
Meemaw: Is that all, John?
Dr. John Sturgis: No, I wanted to invite you to dinner tomorrow night.
Meemaw: Great. Where we going?
Dr. John Sturgis: I can't tell you that. It's a surprise.
Meemaw: You want to give me a clue so I'll know how to dress?
Dr. John Sturgis: Well, dress as if you were going to a Mexican restaurant.
Meemaw: Oh, we're going to Puerta Roja.
Dr. John Sturgis: I can't tell you that, it would ruin the surprise.
Meemaw: John, you do realize that I'll be the one driving us there.
Dr. John Sturgis: Fine, we're going to Puerta Roja, but everything else is a surprise. That is all!

George Sr.: You mind putting down my kid?
Clint Watson: We were just playing around.
Veronica: This is my mom's boyfriend, Clint.
George Sr.: Hello, Clint. What can we do for you?
Clint Watson: I'm here to pick up Veronica. Come on.
George Sr.: You want to go with this man?
Veronica: No, sir.
George Sr.: You heard her. Thanks for stopping by.
Clint Watson: You really want to mess with me?
George Sr.: Sure. Why not?
[THUDDING OUTSIDE]
Mary: What's going on out there?
George Sr.: You might want to call the police.
Mary: Why?
George Sr.: There's a bum sleeping on our front porch.

Meemaw: John, I've already been married once. I wasn't really planning on ever doing it again.
Dr. John Sturgis: Why not?
Meemaw: I was somebody's wife for a long time. I just like being Connie Tucker now. Not Mrs somebody else's name.
Dr. John Sturgis: Well, what if I took your name? John Tucker, it sounds great. Like a football player or an astronaut.