也许我就是那个美国基佬，我可不想掺和那些乡巴佬的勾当。

True wisdom lies in admitting one's ignorance.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

The secret of change is to focus all of your energy，not on fighting the old，but on building the new.

人类个体自由探索的思想是世界上最宝贵的东西。