(laughing) >> smith: for the past four decades, jack bogle has been preaching the gospel of long-termow-cost investing through index funds. >> get wall street out of the equation. get trading out of the equation. get management fees out of the equation. you own american business and you hold it forever: that's what indexing is. own a fund that owns the entire u.s. stock market, does no trading, and has a cost of one percent a year to own. and that is the only way to do it. then you are the creature of the market and not of the casino. >> smith: index funds buy and hold a broadly diversified basket of stocks that match the holdings of a market index: the s&p 500, the wilshire 5000, or maybe a bond or commodity index. they don't eliminate market risk, they ride the market up and down, but they are much cheaper because there is no active manager. >> you can guarantee to the shareholder that they will capture their fair share of the stock market's return, for better or for worse. if you want to gamble with your retirement money, all i can say is be my guest. but be aware of the mathematic