" I have something I’m working on,” Towne revealed. “A love story.” “Go on.” “It’s called Chinatown.” “Keep going.” “That’s all I have.” Towne elaborated as best he could. He told Evans about the water, about the detective who falls in love with the daughter of an eminent criminal, “and I have Nicholson. He wants to do it.” “Sounds perfect for Irish”—Evans’s nickname for Nicholson—“It’s set in Chinatown?” “No. Chinatown is a state of mind.” “A love state of mind?” “The detective’s fucked-up state of mind.” Evans was lost. “I see.” “But the love story is Chinatown too.” “But it’s not set in Chinatown?” “No. Chinatown’s a feeling. "

― Sam Wasson , The Big Goodbye: Chinatown and the Last Years of Hollywood