Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.

If you skillfully follow the multidisciplinary path, you will never wish to come back.It would be like cutting off your hands.

常看修养品德胜过我的人，则惭愧耻辱油然而生；常看物质享受不如我的人，则埋怨情绪自然消失。

We come nearest to the great when we are great in humility。

Every observation we make is a step closer to unraveling the mysteries of the universe.

The art of being wise is the art of knowing what to overlook.

经过无数代人的努力，你才达到了现在的水平。也许需要一点感激之情。如果你要坚持让世界按你的方式弯曲，你最好有自己的理由。