无力感会腐蚀。绝对的无力感会绝对地腐蚀。
A society that does not recognize the rights of its citizens is doomed to decay.
计算复杂性的美在于它能够揭示问题的固有难度,而不管用于解决这些问题的具体算法是什么。
If you want to live a happy life, tie it to a goal, not to people or things.