Frasier (Kelsey Grammer): I, for one, happen to believe in the kindness of strangers.
Roz (Peri Gilpin): Well, I believe in the strangeness of strangers.
Roz's unheeded advice as she tries to keep Frasier from inviting listeners to feel free to approach him in public
Fraiser
Season 3, Episode 11 The Friend, 1996
Writers David Angell, Peter Casey, David Lee
Grub Street Productions
Source: wikiquote.org