- Olivia Dunham: Maybe I should wait outside.
- Peter Bishop: Then what would I do? You're the one with the gun.
- [to Sam, while holding him at gunpoint]
- Olivia Dunham: Listen to me, you son of a bitch. I'm not here to bowl, try on shoes... or have you play games with my head. I am here because I was told that you could fix me.
- Peter Bishop: Walter, I need my own bedroom.
- [to Astrid]
- Peter Bishop: I woke up this morning to him singing an aria from 'Pagliacci.'
- Astrid Farnsworth: Your father has a wonderful voice.
- Peter Bishop: Not when he's doing jumping jacks, and did I mention he was naked?
- Dr. Walter Bishop: [allegorically] A good morning sets the tone for the day.