Megatron: Is the future of our race not worth a single human life?
Optimus Prime: You'll never stop at one... I'll take you all on!
Jetfire: I'm getting too old for this crap.
[Dropping Sam off at college.]
Judy Witwicky: Can you smell that?
Ron Witwicky: Yeah, it smells like forty thousand dollars a year.
Simmons: 75 years of alien research which points to one inescapable fact: the Transformers, they've been here a long, long time.
Jetfire: My father was a wheel, the first wheel, you know what he transformed into?
Sam Witwicky: No.
Jetfire: Nothing! But he did it with honor, pride and dignity!
Sideswipe: Damn, I'm good.
Leo: Ever heard of realeffingdeal.com?
Simmons: Oh, you must be talking about that site with Game Boy level security.
Mudflap: Ow! That hurt!
Skids: It's an ass-kicking, it's supposed to hurt.
Mikaela Banes: I'm breaking up with you.
Sam Witwicky: Wow, you almost sounded serious that time.
[Bumblebee has just destroyed the Witwicky's home.]
Ron Witwicky: Think of this as the renovation we always wanted.
Judy Witwicky: If the government's paying, then I want a pool! And a hot tub! And I'm going to go skinny-dipping and you can't say shit about it!
Sam Witwicky: I'm sending over the D-Day shirt.
Mikaela Banes: I can't believe you still have that.
Sam Witwicky: Yeah, I bled in this thing. It's like my Rangers jersey.
Sergeant Epps: I hope these F-16's got good aim.
Major Lennox: Why's that?
Sargeant Epps: Because I told them to hit the orange smoke.
Major Lennox: You mean that orange smoke? [Points to orange smoke right next to them.]
Sargeant Epps: It wasn't my best toss.
Sam Witwicky: Look, the guardian thing is done, okay? You did your job. It's over with. You've gotta be something else, you've got have a bigger purpose then just me, Bee! I can't be the end all deal in your life!
Bumblebee: "What is."."your."."purpose.". Sam?
Sam Witwicky: I don't know. I wanna... I wanna be normal, I want to go to college. Everybody has this, and I should be able to experience this. And I can't do that with you.
Sam Witwicky: You don't stop, you don't hide. You run. You understand me?
Ron Witwicky: We're all going together!
Optimus Prime: Sam, fate rarely calls upon at a moment of our choosing.
Sma Witwicky: You're Optimus Prime, you don't need me.
Optimus Prime: We do, more than you know.
Optimus Prime: We've kept much from you, Sam.
Chosen answer: He knows from stories passed down to him from older generations of bots, not much unlike stories about the past passed down to us from our ancestors. His line about no one telling him anything is just a way to avoid being put back in the box or being tortured by Mikayla.
dablues7