General Marshall was an excellent exponent of the principle of having subordinates speak up. He called us into his office and opened the discussion by saying I am disappointed in all of you When we inquired if we might ask why he said you haven't disagreed with a single thing. The very next day we presented a paper as written and then expressed some thoughts which in our opinion Made the recommended action Questionable General Marshall said now that is what I want unless I hear all the arguments against an action.