值得畏惧的竞争对手是那些从不关注你，而是一直在改进自己业务的人。

我没有信仰原则，如果你没注意到的话。

解释：影子的弯曲与正直是随身体而变化的，根源不在影子自身；自己的屈曲与伸直是随外物而变化的，而不在于个人的主观意志。这就是保持谦退才能使自己处世为先的道理。

Innovation is not just about technology; it's about changing the way we think and operate.

永远不要做房间里最聪明的人。如果你是，我建议你邀请更聪明的人或换个房间。

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.