学习数学的唯一方法就是做数学。

Tragic art, as it developed in the theaters of ancient Greece, in the fifth century B.C., was essentially an art form devoted to tracing how people fail, and also according them a level of sympathy, which ordinary life would not necessarily accord them. A few years ago, I was thinking about this, and I went to "The Sunday Sport," a tabloid newspaper I don't recommend you start reading if you're not familiar with it already.

对于那些经历过审查的人来说，审查从未结束。它是想象力上的烙印，永远影响着那些遭受过它的人。

我们都是自己犹豫的总和。

人真正需要的不是无压力的状态，而是为值得的目标奋斗和努力。

Sustainability is no longer an option; it's a necessity for any business that wants to thrive in the long term.