计算复杂性的研究不仅仅是关于问题的分类；它是关于理解计算本身的本质。
The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.
The only way to tell the truth is to speak with kindness. Only the words of a loving man can be heard.
The best actors are the ones who can make you forget they are acting.
知道你拥有什么，并知道你为什么拥有它。
The number one organ of ridicule, nowadays, is the newspaper. If you open the newspaper any day of the week, it's full of people who've messed up their lives. They've slept with the wrong person, taken the wrong substance, passed the wrong piece of legislation -- whatever it is, and then are fit for ridicule. In other words, they have failed. And they are described as "losers." Now, is there any alternative to this? I think the Western tradition shows us one glorious alternative, which is tragedy.
The future of energy lies in the integration of traditional and renewable energy sources, not in their opposition.
Only two things in this world so that our souls are deeply shocked First, our brilliant stars overhead, First,our hearts loft y moral laws.