What a marvelous way to pilfer!

Walter

All I've managed to do with its vast resources is create a new flavor of cupcake frosting. Bacon berry.

Walter

Elizabeth: Sometimes what we have is not the world we want, but we have our hearts and our imaginations to make the best of it. I will promise you this: I will be the best mother I possibly can be to you. I'll take care of you, I will protect you and I will never let anyone take you away from me. No one. Not ever.
Peter: But you're not her, are you? You're not my real mother.
Elizabeth: You were sick. You were very sick for a long, long time and I think it confused you. Yes, I am your mother, of course I am.

Olivia: But, how did you know I'd come here?
Peter: Because it was the only drawing that looked happy.

William, I believe the ideal environment between universes is the unique combination of love and terror she feels there apparently stimulates a cortical reaction.

Elizabeth (reading from Walter's notes)

Aha, the beguiling Olivia Dunham beguiles.

Walter

I know that I sound crazy, but I'm not. I'm not crazy.

Peter

Walter: The texture of the universe has changed from my crossing. It cannot withstand any more damage.
Elizabeth: Neither can he, Walter. He is in constant distress.

Getting him back wasn't as easy as I thought.

Walter

If the impossible is possible, who's to say that I someday won't see him again?

Mrs. Merchant

Some sort of an emotional quantum entanglement.

Walter

Walter: There's not such thing as ghosts.
Peter: That's where you draw the line? Ghosts?

Fringe Season 3 Quotes

Only those who risk going too far, find out how far they can go.

Walternate

I'm not crazy you know. To prove that to you I'd have to tell you some things that are even crazier.

Olivia