The rare person is still interested in new advances when they are adults. There is possibly a correlation with intelligence. In any case, you have to be fairly bright to keep learning and changing attitudes as you get older. ↗
All that seems indispensible in stating the account between the dead and the living, is to see that the debts against the latter do not exceed the advances made by the former. ↗
If you ask an economist what's driven economic growth, it's been major advances in things that mattered - the mechanization of farming, mass manufacturing, things like that. The problem is, our society is not organized around doing that. ↗
If a man does not make new acquaintances as he advances through life, he will soon find himself left alone. A man, sir, should keep his friendship in a constant repair. ↗