The perfect detective story cannot be written. The type of mind which can evolve the perfect problem is not the type of mind that can produce an artistic job of writing.
Source: The Notebooks of Raymond Chandler, 1976.
-- Raymond Chandler, (Jul 23 1888-1959), US short-story writer, novelist; He was considered master of hard-boiled crime stories, e.g., The Big Sleep, 1939 and Playback, 1958.