永远不要低估坚持的力量。
The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.
I must study politics and war, tapestry and porcelain.
The stream of thought is a stream of survival.
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。
无边界即是无限的。
NP中的每个问题都可以归约为可满足性问题，这是计算复杂性理论的基石。