Norman Bates: It's not like my mother is a maniac or a raving thing. She just goes a little mad sometimes. We all go a little mad sometimes. Haven't you?Marion Crane: Yes. Sometimes just one time can be enough.
Marion Crane: Do you have any vacancies?Norman Bates: Oh, we have 12 vacancies. 12 cabins, 12 vacancies.
Norman Bates: Well, a son is a poor substitute for a lover.Marion Crane: Why don't you go away?Norman Bates: What, to a private island like you?Marion Crane: No, not like me.Norman Bates: I couldn't do that. Who would look after her? The fire in her fireplace would go out. It would be cold and damp up there like a grave. If you love sombody, you wouldn't leave them even if they treat your badly. Do you understand? I don't hate my mother. I hate at what she's become. I hate her illness.
Dr. Fred Richmond: No. I got the whole story - but not from Norman. I got it - from his mother. Norman Bates no longer exists. He only half-existed to begin with. And now, the other half has taken over. Probably for all time.Lila Crane: Did he kill my sister?Dr. Fred Richmond: Yes, - and no.