"Wealth Matters" columnist for The New York Times reveals the decisions, behaviors, and worldviews that lead to true wealth.

For the better part of the past decade, Paul Sullivan has written about and lived among some of the wealthiest people in America. He has learned how they save, spend, and invest their money; how they work and rest; how they use their wealth to give their children educational advantages, but not strip them of motivation. He has also seen how they make horrendous mistakes. Firsthand, Sullivan knows why some people, even "rich" people, never find true wealth,...