yes. That's what happened to me with the theory of relativity.Jantje_Smit » 01 Jul 2021, 9:57 am » wrote: ↑ lol... I know what you mean... I have this book by Stephen Hawking in which he explains it in simple language... you read that and think.. I can follow that... I can follow that.. and then... wait, what?... there once was moment I got it all.. but a moment later it was gone...