Lightman: And who says the FBI are just a bunch of puppets?
Emily: That would be you dad.

Harris: What kind of car do you drive?
Lightman: Prius... It's deceptively fast.

Bloody Hell, you really are Captain America, aren't you?

Lightman: You saw that right?
Little Moon: What?
Lightman: Of course not, that's why you need me.

Lightman: Burns, where are you?
Burns: I don't know
Lightman: Make something up. Heh, look at me, teaching a federal agent how to lie.

Lightman: You know some people it's easier to tell when they stop lying more than when they start.
Russo: How can you tell when I stop lying?
Lightman: You shut your mouth.

Agent Williams: Dr. Lightman, the ship is leaving.
Lightman: Whoop-dee-do.

Whatcha call that, "Stupid on a plate?"

You were the greatest news I ever got. Still are.

Lightman [to Emily]

Did you only marry mom because you got her pregnant?
Lightman, no, no, I'm not that much of a gentleman.

Emily

Doctor: I am afraid I have to hold you for 72 hours for being a danger to others.
Lightman: Can I have jello?

Agent Reynolds: Frankly you are beginning to sound a little insane.
Lightman: Really?
Reynolds: Really.
Lightman: I was hoping you would say that.

Lie to Me Quotes

Weil: You haven't done enough muck-raking for one day?
Ria: Sir. We don't think you were doing anything sexual at that club, because, I believe this escort, Melissa, who you paid for time with-
Weil: What about her?
Ria: She's your daughter.

Gillian: Do you still have that note, that I brought you? I want it for my office.
Cal: (handing over the note) You really are a pack rat.
Gillian: You could have just told me what this was for.
Cal: No. You're a terrible liar.
Gillian: Normal people think that's a good thing.