The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.
有时候你必须演奏很久,才能演奏得像你自己。
我总是相信,最重要的不是成为最好的,而是比昨天更好。
The future of energy lies in balancing profitability with responsibility.