It was the best of times, it was the worst of times.

"The only way to do great work is to love what you do."

我们有责任让全人类都能获得技术。

上帝不能无处不在，所以他创造了母亲。

"The challenge in theoretical computer science is not just to solve problems, but to understand why they are hard to solve."

和粉丝在一起的每一刻都很珍贵。

证明是一种用于使他人相信数学陈述为真的工具。