Ben Casnocha: What You Know, What You Don't Know, What You Think
Self reminder about this good bit of clarity:
Ben Casnocha: The Blog: What You Know, What You Don't Know, What You Think
" 'Look, I have got a rule,' " he said General Powell told him. " 'As an intelligence officer, your responsibility is to tell me what you know. Tell me what you don't know. Then you're allowed to tell me what you think. But you always keep those three separated.' "