Emily: Maybe my dad is right; maybe I am not ready for this.
Gillian: Your dad is not always right.

So you're saying you have accomplished nothing aside from being born.

Eli

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

You never trust anyone do you? That's why you will always be alone.

Emily

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

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?"

Lightman

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

Lightman [to Emily]

Lie to Me Season 2 Quotes

Ria Torres: You really want to take this case?
Eli Loker: What, is the guy and eccentric? Yes, big time. But so am I, have you seen this shirt.

Here's the problem, Martin Walker is a psychopath and probably a killer. Just though you should know.

Cal Lightman