Genetically you are exact replicas, you and the other Olivia. It means theoretically you both should be capable of the same things.

Walternate

(to Olivia) You know why you let him go, don't you? Because you can understand what he's going through trapped in that amber, just like you're trapped over here. Only difference is, nobody's going to save you. Only you can save yourself.

Peter

With a basement lab at Harvard Walter was able to open a wormhole into another dimension that essentially shredded all the laws of science. I can't wait to see what he's capable of doing with a multibillion dollar corporation.

Peter

Can't you see, that the brain in consciousness. The mind is God. There are no limits except for those that we impose on ourselves.

Walter

Nina: He's a bit unorthodox.
Peter: He's also tripping his brains out right now. You know that right?
Nina: Huh?

Newton: You're going to have a very difficult time without me, you know.
Bolivia: Well, there are plenty of machines here. I can befriend a vacuum cleaner.

Charlie: As hospitals go, not bad.
Olivia: Yeah, unless it's run by an evil genius who is creating accidents to kill people.

Charlie: Since when do you break protocol? You passed by an auburn diamond OK, blinking auburn diamond. Which you ignored, compromised air quality. You need oxygen to breath.
Olivia: Charlie I'm sorry, I don't really know why I did that.
Charlie: You're a daredevil, I get it. If you don't mind, I'd appreciate it is we don't go through this again.
Olivia: OK.

Brandon: Do you miss it?
Walternate: Miss what?
Brandon: Being a scientist?
Walternate: I'm still a scientist Brandon; I just have a much larger laboratory.

Peter: You know what you didn't die today? Because you didn't know the protocol. If you stopped for oxygen you'd be dead right now. But you did something he couldn't factor in, you kept running. You know why you did that. It's the same reason you thought you saw Walter in that hospital. It's the same reason you think you are seeing me now. You're not from this world Olivia. You're not her.
Olivia: You're not real.
Peter: Real is just a matter of perception. I am here and I'm a part of you, that you have to hold on to. You can't forget who you are Olivia. You can't forget where you're from.

Walter: I need to go back to the market, aspirin. We need to go to the market.
Broyles: Is he ok?
Peter: Well he's Walter, define ok.

Bolivia: We've been back for two days and Walter is already driving you to drink.
Peter: Can you blame me?

Fringe Season 3 Quotes

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

Olivia

Peter: The whole time I was in there, there was only one thing I could think about.
Bolivia: Yeah what? (Peter then kisses Bolivia)
Peter: That.