" All this is equally exasperating for the person who is doing the pointing, for he wants to show me something which, to him, is so obvious that one would think any fool could see it. He must feel as we all feel when trying to explain to a thick-headed child that two times zero is zero and not two, or some other perfectly simple little fact. And there is something even more exasperating than this. I am sure that many of you may, for a fleeting moment, have had one clear glimpse of what the finger was pointing at—a glimpse in which you shared the pointer’s astonishment that you had never seen it before, in which you saw the whole thing so plainly that you knew you could never forget it . . . and then you lost it. After this, there may be a tormenting nostalgia that goes on for years. How to find the way back, back to the door in the wall that no longer seems to be there, back to the turning which led into paradise—which wasn’t on the map, which you saw for sure right here. But now there is nothing. It is like trying to trace someone with whom you fell in love at first sight, and then lost touch; and you go back to the original place of meeting again and again, trying in vain to pick up the threads. If "

― Alan W. Watts , Become What You Are