Sheldon: You know, Feynman used to say he didn't do physics for the glory or the awards, but just for the fun of it.
Leonard: He was right. Physics is only dead when we stop being excited about it.
Raj: Even beyond the grave, he's imparting wisdom.
Sheldon: Um, I'm the one who remembered it.

Howard: Give me the bottle. I mean, it might be a little corny, but I say we pour one out for all the science homies who came before us.

Leonard: Oh, hi, you wanted to see me?
Ms. Davis: Yes. I wanted to talk to you about the e-mail you sent me last night.
Leonard: I sent you an e-mail?
Ms. Davis: You bet you did. "Hello. Shalom and aloha from the grave of Richard Feynman."
Leonard: (groans) Oh, it's coming back to me.
Ms. Davis: "Please accept the following retraction: I know I said physics is dead, but it is the opposite of dead. If anything, it is undead, like a zombie. Speaking of which, if Richard Feynman came back as a zombie, I would totally let him bite me."
Leonard: Any chance that's the end?
Ms. Davis: "I got bit by a squirrel once. I had to get rabies shots. I cried so much, my mother said 'don't be a baby'. In conclusion, physics is great. Squirrels suck, and someday, I'm gonna put my mom in a cheap nursing home. Yours truly, XOXO, Dr. Leonard Hofstadter."
Leonard: I-I-I can explain.
Ms. Davis: "P.S Can you come pick us up? The Uber driver won't open the door because Sheldon is covered in blue vomit."

Mary Cooper: I am so happy for you two, but I'm not surprised. I've been praying for this.
Sheldon: Well, God had nothing to do with it. It happened because I was kissing another woman, and it made me realize I wanted to be with Amy.
Mary Cooper: More than one woman was interested in you? I might have prayed a little too hard.

Sheldon: It's like having Optimus Prime over to dinner and not asking him to turn into a truck.

Sheldon: I've thought about it, and I really want to spend the rest of my life with Amy. Do I have your blessing?
Stephen Hawking: Well, Sheldon, I think you should make her finger like Saturn and put a ring on it.

Sheldon: Stephen Hawking is a genius. If he said 'no,' I wasn't going to waste time on her father.

Sheldon: I came here to propose. If you'd said no, I wouldn't want to stick around looking at your stupid face.
Now, mind you, your face is only stupid in the "no" version of the story.
Amy: But I said yes, so I get a lifetime of this.

Amy: Sheldon, I know this isn't easy, but you'll have a whole lifetime to practice.
Sheldon: It could take that long, I'm really bad at it.

Sheldon: Wait, oh, and I just I want to let you know right now that we are not getting married in a church.
Mary Cooper: That's all right, Sheldon. Anywhere Jesus is is a church.
Sheldon: Well, he won't be at our wedding.
Mary Cooper: He's in my heart, so if I'm there, he'll be there.
Sheldon: Okay, well, then, he's your plus-one. You don't get to bring anyone else.

Leonard: So, how are you guys doing with all the new events in your womb?

Stephen Hawking: Are you sitting in a bathroom?
Sheldon: Yes. I needed a place to storm off to and it was all that was available.
Stephen Hawking: Fine. But if I hear a flush, this conversation is over.

Sheldon: Hello?
Leonard: Oh, hey, where you been? We've been calling you for hours.
Sheldon: Oh, I'm sorry, my phone was on "airplane" mode.
Leonard: Why?
Sheldon: Because I was on an airplane. (makes confused gesture to Amy)

Amy: But you did ask my father?
Sheldon: I did. He said yes. Although, not in a robot voice, so it wasn't nearly as cool.

Mary Cooper: Lord, thank You. Even though You can do anything, that was mighty impressive.