[In Daniel Thorn's private elevator, Monk throws a scarf around Natalie's neck.]
Natalie: What're you doing?
Monk: We're reenacting the crime. You're the victim.
Natalie: Wh-what if the elevator starts up?! It'll get caught again!
Monk: It's not going to get caught.
Natalie: W-- Then you be the victim!
Monk: N-n-n-n-no! Uh, Sharona was always the victim.
Natalie: I'm sure she was.
...
Monk: We have a system! It's a good system. There's an old saying: Don't... change... anything... ever.
Natalie: That's an old saying?
Monk: I've been saying it for years.
Natalie: What're you doing?
Monk: We're reenacting the crime. You're the victim.
Natalie: Wh-what if the elevator starts up?! It'll get caught again!
Monk: It's not going to get caught.
Natalie: W-- Then you be the victim!
Monk: N-n-n-n-no! Uh, Sharona was always the victim.
Natalie: I'm sure she was.
...
Monk: We have a system! It's a good system. There's an old saying: Don't... change... anything... ever.
Natalie: That's an old saying?
Monk: I've been saying it for years.
[In Daniel Thorn's private elevator, Monk throws a scarf around Natalie's neck.]
Natalie : What're you doing?
Monk : We're reenacting the crime. You're the victim.
Natalie : Wh-what if the elevator starts up?! It'll get caught again!
Monk : It's not going to get caught.
Natalie : W-- Then you be the victim!
Monk : N-n-n-n-no! Uh, Sharona was always the victim.
Natalie : I'm sure she was.
...
Monk : We have a system! It's a good system. There's an old saying: Don't... change... anything... ever.
Natalie : That's an old saying?
Monk : I've been saying it for years.
http://www.tv-quotes.com/shows/monk/quote_29418.html