15. Average people would rather be entertained than educated. Rich people would rather be educated than entertained.
While the rich don't put much stock in furthering wealth through formal education, they appreciate the power of learning long after college is over, Siebold says.
"Walk into a wealthy person's home and one of the first things you'll see is an extensive library of books they've used to educate themselves on how to become more successful," he writes.
"The middle class reads novels, tabloids and entertainment magazines."