戏剧是最直接面对人类状况的艺术形式。
计算复杂性的本质是理解什么可以被有效地计算的极限。
The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others.
The moment you think you know it all is the moment you have the most to learn.