眼睛看百步以内的东西，尚且没法看得一清二楚，而要把自己看见的就认为是实际有的，没有看见的就认为是没有的，这样的话天下所没有的东西，可就多了。
The mind once enlightened cannot again become dark.
Life is a series of endless repetitions, each more meaningless than the last.
To live is to risk everything. Otherwise, you're just an inert chunk of randomly assembled molecules drifting wherever the universe blows you.
两种文化之间的距离是最有趣的事情发生的地方。
The knowledge of the past stays with us to spur us on to new and better things.
控制的挑战在于在存在不确定性的情况下使系统工作。