Resist the Urge to do More; Sound Investing Advice From Charles Ellis

According to academic research there are two kinds of games in tennis; those games played by professionals, and those played by the rest of us.  In amateur tennis the outcome is determined by the mistakes made by the loser, rather than the shots made by the winner. Likewise, those who insist on trying to beat the market, either on their own or with professional managers, will be disappointed by the results. Like tennis, investing is a loser’s game.