NOBODY KNOWS ANYTHING. Not one person in the entire motion picture field knows for a certainty what’s going to work. Every time out it’s a guess — and, if you’re lucky, an educated one.
William Goldman (1931-2018) American screenwriter, novelist
Adventures in the Screen Trade, ch. 1 (1983)
(Source)
Quotations by:
Goldman, William
VIZZINI: Ha-ha, you fool! You fell victim to one of the classic blunders, the most famous of which is “Never get involved in a land war in Asia,” but only slightly less famous is this: “Never go in against a Sicilian, when death is on the line!” Hahahahahah! [Dies.]