Dr. Goetsch: Welcome back.
Mary: Thank you for seeing us on such short notice, Doctor.
Dr. Goetsch: Oh, not a problem. Sheldon, I remember you. Do you remember me?
Sheldon: I remember everything.

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.

George Sr.: You don't always win in life, he needs to learn that.
Mary: I know, but these are big feelings for a little boy.
George Sr.: They're feelings everybody has. It's part of growing up.
Mary: I guess.
Sheldon: Poodle poop!
Meemaw: Okay. Somebody's got to teach this kid to swear, it's embarrassing.

Principal Petersen: And the winner of the Medford High School Science Fair is SueAnn Ludlow!
Sheldon: You've got to be kidding me!
Mary: Shelly.
Sheldon: You people are crazy!
George Sr.: Hey. All right.
Sheldon: You're celebrating mediocrity. Mediocrity! Mediocrity!

Missy: I think I see his underpants.
Meemaw: I told you. Theatre folk just love to show off their business.