计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。
"写作是一种勇气，因为它要求我们面对自己内心最深处的恐惧和欲望。"
可持续捕捞不是一种选择，而是对后代的责任。
市场比政府更有效地分配资源，但它并非完美的分配者。
对验证的渴望是可以理解的，但并不总能得到满足。
Life lessons will be presented to you in the order they are needed. Everything you need to master the lesson is within you. Once you have truly learned a lesson， you will be presented with the next one. If you are alive， that means you still have lessons to learn.
