The best advice can come from people who have lived long lives. Those with experience tend to have "been there" and "done that". They know what it takes to lvie a good life. Charlie Munger was well known and respected across the world. His biggest piece of advice was to invest in yourself and let go of envy.
https://www.msn.com/en-us/money/topstocks/who-in-the-hell-needs-a-rolex-watch-the-late-charlie-munger-warned-americans-against-pretentious-expenditures-here-s-what-he-preferred-to-invest-in-instead/ar-BB1lrJVT?ocid=hpmsn&cvid=16984083bd6c4f6a97bcce93234561c5&ei=56