Investors, of course, can, by their own behavior make stock ownership highly risky. And many do. Active trading, attempts to "time" market movements, inadequate diversification, the payment of high and unnecessary fees to managers and advisors, and the use of borrowed money can destroy the decent returns that a life-long owner of equities would otherwise enjoy. Indeed, borrowed money has no place in the investor's tool kit.
Warren BuffettYou have to turn over a lot of rocks to find those little anomalies. You have to find the companies that are off the map - way off the map.
Warren BuffettRead 500 pages every day. That's how knowledge works. It builds up like compound interest.
Warren Buffett