In the event that you didn’t click through the Daring Fireball link (you should have) here’s a link to the complete text of the aforementioned Mamet quote.
Should probably be tattooed backward on your forehead if you’re a writer. Great stuff.
PLEASE NOTE THAT OUR OUTLINES ARE, GENERALLY, SPECTACULAR. THE DRAMA FLOWS OUT BETWEEN THE OUTLINE AND THE FIRST DRAFT.
THINK LIKE A FILMMAKER RATHER THAN A FUNCTIONARY, BECAUSE, IN TRUTH, YOU ARE MAKING THE FILM. WHAT YOU WRITE, THEY WILL SHOOT.