“I completed my construction, and it seems to have been a success. From the outside you can see nothing except a large hole, but in fact it doesn’t lead anywhere - after a couple of steps you run into a stone. I won’t praise myself for this imaginary trick: the hole remained after many futile attempts to build something here, and in the end I decided to leave one of the holes unfilled. Otherwise, the hour is uneven, you will outwit yourself, I can do that, and in this case, emphasizing the special significance of this hole, you can create a bold, but false impression that behind it lies something worthy of examination...”