If you’re going to bury your gold because you’d never dream of spending it, you might as well bury a rock. Their value is the same if they stay buried.
It’s human action and human interaction that creates wealth. They money you earn is from favors you do for others, and they’re like little I.O.U.s for favors they’ll do for you. The value is in the favors, not the papers.
A nest egg is a good thing, but it’s not quite as good as a nest.