One more thing, have you tried LSD?

Walter

I find it's best if you just go with it.

Lincoln

Peter: Walter, could the connection between our two universes be what's facilitating this psychic link?
Walter: I suppose.
Peter: So what if we severed it?

Peter: You did great Walter.
Walter: He can't even stay in the same room as me.
Peter: He listened to you. They all did.

These aren't the droids you're looking for.

Walter Bishop

Etta: Do you know me?
Peter: I don't know how I could. I've been stuck in that amber for over 20 years, you barely look old enough...Henrietta?
Etta: Hi dad.

Astrid: William Bell? You just left him there"
Walter: You remember what he did to Olivia. Even you can't be that compassionate.

In that case, a little more focus and a little less pontificating and we might have the job done by now.

Walter

Walter: I've eaten it once. It's sweeter than you think.
Simon: Feces?
Walter: God no! Brains! And LSD. Love LSD.

Walter: What is that monkey feces?
Simon: That, Dr. Bishop, is your brain.

I do hope we're going to the circus.

Walter

Twenty years? It's no wonder I'm so hungry. Do you have anything to eat?

Walter

Fringe Season 4 Quotes

You know they did a study on sarcastic people, and they get more illnesses than other people. Something to do with negative energy.

Robert Danzig

Fauxlivia: You know, being you and living your life, only me more homesick for my universe.It must be hard to develop trust in people when all you've got is yourself. It must be terribly lonely.
Olivia: Just because you have walked in my shoes, don't you think for a moment that you know me.
Fauxlivia: Yeah, keep telling yourself that.