Oliver: I wouldn't go out there. It's waiting: the monster. It's waiting. You brought it in here, and now it's hunting you.
David: There is no monster, It's just me. I know that: it's my psychology.
Oliver: Monster as metaphor: I like it, but wrong. It's part of you, but not like a symptom. More like a parasite.

Oliver: There's good news, and there's bad news. The bad news is, it's not the drug. You're here, in the astral plane. You went too far in the make believe and got lost in your mind, consciousness, and now you're trapped in this, no place. Where every day is the same, where you can imagine yourself a kingdom. but nothing is ever real.
David: And what's the good news?
Oliver: I'm not alone anymore.

Syd: So, you live inside his body?
Kerry: We share.
Syd: Is that weird?

There is something inside David's memories that he does not want us to see.

Melanie

Syd: What was real? That was the mission. We had seen things: heard things. But could we believe our eyes? Could David?

Legion Season 1 Episode 4 Quotes

There is something inside David's memories that he does not want us to see.

Melanie

Syd: What was real? That was the mission. We had seen things: heard things. But could we believe our eyes? Could David?