I think that certainty is a closed door, It's the end of the conversation. Doubt is an open door. John Patrick Shanley More Quotes by John Patrick Shanley More Quotes From John Patrick Shanley It wasn't until I was 35 or 36, when I wrote 'Danny and the Deep Blue Sea,' that I began to get some notoriety, though I only made $5,000. John Patrick Shanley deep some sea blue