https://www.goodreads.com/book/show/670089.The_Fourth_Turning https://www.goodreads.com/book/show/670089.The_Fourth_Turnin... The Fourth Turning is a well-know

https://www.goodreads.com/book/show/670089.The_Fourth_Turning https://www.goodreads.com/book/show/670089.The_Fourth_Turnin... The Fourth Turning is a well-known book that discussed this idea exactly, that one generation learns lessons that the next generation forgets. There's a little more to it, but that's the simple idea.