Life is not about waiting for the storms to pass, it's about learning how to dance in the rain.
The anarchic nature of the international system compels states to prioritize their own survival above all else.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
有些时候你必须去挑战伟大。。
凡是大国之所以不攻打小国的,必定是由于这个小国粮食充足,城郭修筑坚固,上下和谐一心。
办事，不能做尽；说话，不能说尽；势力，不能倚尽；幸福，不能享尽。
Never stop learning—the moment you think you know everything is the moment you start falling behind.
永远不要停止学习——当你认为自己什么都懂的那一刻，就是你开始落后的时刻。
The secret of change is to focus all of your energy，not on fighting the old，but on building the new.
改变的秘诀是集中你的所有能力，不是摧毁旧的，而是建造新的。
预测未来的最好方法就是去创造它。