Yes, I'd seen this claim once before. The original quote was "There are things known, and things unknown, and in between are the Doors", yet a quick search led

Yes, I'd seen this claim once before. The original quote was "There are things known, and things unknown, and in between are the Doors", yet a quick search led to this explanation: "QI hypothesizes that this quotation was streamlined and then the words were reassigned to more prominent figures such as Jim Morrison, Aldous Huxley and William Blake" on https://quoteinvestigator.com/tag/the-doors https://quoteinvestigator.com/tag/the-doors.