Bud: Amazing Grace, come sit on my face. Don't make me cry, I need your pie.
[Dr. Loomis is holding the gun to the policeman's head as he's driving.]
Sam Loomis: What do you guys usually do? Fire a warning shot, right?
Mrs. Alves: Time's up, Jimmy. Let's go.
Jimmy: OK. OK.
Mrs. Alves: No you won't. Visiting hours are definitely over.
Leigh Brackett: You know, Doctor, I'm just about there.
Sam Loomis: What?
Leigh Brackett: The point where I stop taking orders from you.
Sam Loomis: I'm sorry I left you. Are you all right?
Laurie Strode: Why won't he die?
Mrs. Alves: Men! Can't live with them, can't live without them.
Sam Loomis: It's time, Michael.
Doyle Neighbor: Is this a joke? I've been trick-or-treated to death tonight.
Sam Loomis: You don't know what death is.
Sam Loomis: I shot him six times! I shot him in the heart, but... he's not human.
Sam Loomis: I ought to handcuff you to the wheel, but I have a feeling I'm gonna need you in there. Can I trust you?
Marshal: What have I got to lose, except my job?
Answer: I have read that, in early drafts of the script, the hospital was a health clinic, not a standard hospital. This would possibly explain why there are only a small number of patients, though it doesn't explain why there is a maternity ward, or why the mother brings her son there for emergency treatment.