Terry asks the excellent question: What snippet of old-movie dialogue would I most like to have written? [And quotes Walter Neff, to boot!]
While the cinetrix tries to narrow down her choices [without copping to her deep and abiding love for every line of Pee-wee's Big Adventure], she invites you to suggest your own candidates. Perhaps, put together, they will make up the best script the world has ever known.
Barring that, it's back to the monkeys with typewriters scheme.