- Nathan Garrity: My friend Teddy says your life flashes in front of your eyes when you die. I think it would be better if it did that while you lived. That way, you could see all the good memories and be happy.
- Nathan Garrity: Why's it not happening? Why's my life not flashing before my eyes?
- Brian: What are you?
- John Garrity: Structural engineer.
- Brian: Yeah, they'll need some of those to rebuild the world.
- Passenger on C-17: [on John's son's insulin] How did you get that on board?
- John Garrity: What do you mean?
- Passenger on C-17: My sister's kid is diabetic. They wouldn't take him. They won't take anyone who's sick.
- John Garrity: Your teachers talking about this thing?
- Nathan Garrity: Yeah. Mr. Williams said Clarke
- [Name of the comet]
- Nathan Garrity: is like a big snowball, but made of gas.
- John Garrity: Wow. Asteroids are made of farts. Okay. I got it.
- [both laugh]
- Nathan Garrity: No. Clarke is a comet, silly, not an asteroid.
- Man 1: Wait, where's the explosion?
- Kenny: It's a chunk of rock. Rocks don't explode.
- Woman 1: Tell that to the dinosaurs.