The wisdom of it is so relevant. It is amazing that almost everything we believe that we need to live a good life has been so clearly articulated 2000 years ago (and earlier) consistently by people across a wide range of cultures. But we still struggle to do it :) and there are huge markets for people to package up the same ideas and sell them to us over and over again - or opportunities for lunatics to temporarily sell alternate ideas that lead us into tragic historical cul-de-sacs