- [last lines]
- Mulder: We work in the dark. We do what we can to battle the evil that would otherwise destroy us. But if a man's character is his fate, this fight is not a choice but a calling. Yet sometimes the weight of this burden causes us to falter, breaching the frazzled fortress of our mind, allowing the monsters without to turn within. We are left alone staring into the abyss; into the laughing face of madness.
- Walter Skinner: [regarding Mulder's erratic behavior] Are you worried about him, Agent Scully?
- Scully: No, sir.
- Walter Skinner: Off the record.
- [pause]
- Walter Skinner: So am I.
- Agent Bill Patterson: My advice to you, Scully: Let Mulder do what he has to do. Don't get in his way. And don't try to hold him back because you won't be able to.
- Mulder: Patterson had this saying about tracking a killer: If you want to know an artist, you had to look at his work. What he really meant was, If you wanted to catch a monster, you had to become one yourself.