The fundamental basis of above-average performance in the long run is sustainable competitive advantage.
Warren BuffettIt's got to be the best intellectual exercise out there. You're seeing through new situations every ten minutes. In the stock market you don't base your decisions on what the market is doing, but on what you think is rational. Bridge is about weighing gain/loss ratios. You're doing calculations all the time.
Warren BuffettDon't invest in pieces of papers (stocks), invest in great businesses underlying them
Warren Buffett