: Ofcourse, all ideas don ’ t occur like that but so many do, particularlythe most important ones. They burst into the mind, glowing with the heat ofcreation. How they do it is a mystery, but they must come from somewhere. Let ’ s assume they come from the “ unconscious ” . This is reasonable, forpsychologists use this term to describe mental processes, which are unknown tothe individual. Creative thought depends on what was unknown becoming known.