- Fox Mulder: [leaving the room to go under cover] If you don't hear from me by midnight... feed my fish.
- August Bremer: You're a believer?
- Fox Mulder: I have my beliefs.
- August Bremer: You willing to die for them?
- Fox Mulder: I'd prefer it didn't come to that.
- Dana Scully: Exactly what agency are you guys from?
- [gets no answer]
- Dana Scully: Obviously not the Office of Information.
- Dr. Leavitt: It's Ingenious!
- [discussing the Toxin and realizing he sounds too impressed, adds]
- Dr. Leavitt: In it's own evil way.