The Principle of Having Subordinates Talk Up

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.