The key to success in business is not just to satisfy customers but to exceed their expectations.

The market is a pendulum that forever swings between unsustainable optimism (which makes stocks too expensive) and unjustified pessimism (which makes them too cheap). The intelligent investor is a realist who sells to optimists and buys from pessimists.

创新不仅仅是创造新事物，而是以最有效的方式解决实际问题。