" I think of money only as a medium of exchange. In reality, money by itself has very little value. So as soon as I have money, I want to exchange it for something of real value. The irony is that many people who cling desperately to money spend that money on things of very little value—and that is why they are poor. "

― Robert T. Kiyosaki , Rich Dad's Guide to Investing: What the Rich Invest in That the Poor and Middle Class Do Not!