The essence of computational complexity is to understand the limits of what can be computed efficiently.
计算复杂性的本质是理解什么可以被有效地计算的极限。
过去是一个我们不断重写的故事，即使我们没有意识到。
亲眼目睹世道的变化趋向，才知道国家治乱的关键必定在于人心的向背和风俗的好坏。
Oh, to be in England now that April's there.
It looks like a solitary sport, but it's a team.
我获得的丰富来自大自然，那是我灵感的源泉。
Curiosity is the catalyst for discovery.
永远不要让成功冲昏头脑，也不要让失败打击你的信心。
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
The most profound impact of computer science is its ability to democratize information and empower individuals.