Walter: I've seen this woman before. Why does she look so familiar?
Peter: Maybe because you dissected her twin sister yesterday. Remember? Blond girl about 5'7". Really well done. Melted fillings.
Walter: Oh, right.

Olivia: I fell like I'm losing my mind.
Walter: Oh, I don't think so. If you were actually going insane, you'd likely have no idea what's happening. Take it from me.

Walter: Lab rule #1: Do not borrow Walter's equipment without asking.

I was prone to hide things because I was afraid that someone would unlock all my secrets. I didn't realize the someone would be me.

Walter

Astrid: You know, Walter, working with you, it's amazing the sort of things you get used to.
Walter: You're not the first person to tell me that.

Walter: Matter is just energy waiting to happen. The average adult at rest contains enough potential energy to explode with the force of five very large hydrogen bombs.
Peter: You know, theoretically, you're actually right.
Walter: Ho ho ho ho! My son finally agrees with me. Agent Farnsworth, take a note of that.

Walter: It's possible we're dealing with a case of spontaneous human combustion.
Peter: I thought that was just a myth.
Walter: Oh, a myth is just an unverified fact.

Fringe Season 1 Episode 19 Quotes

Walter: Matter is just energy waiting to happen. The average adult at rest contains enough potential energy to explode with the force of five very large hydrogen bombs.
Peter: You know, theoretically, you're actually right.
Walter: Ho ho ho ho! My son finally agrees with me. Agent Farnsworth, take a note of that.

Walter: It's possible we're dealing with a case of spontaneous human combustion.
Peter: I thought that was just a myth.
Walter: Oh, a myth is just an unverified fact.