做大事和做小事的难易程度是一样的。所以要选择一个值得追求的宏伟目标，让回报与你的努力相匹配。

The only way to achieve the impossible is to believe it is possible.

"A story has no beginning or end: arbitrarily one chooses that moment of experience from which to look back or from which to look ahead."

数学是书写宇宙的语言。

我常说同样的话：要想赢就必须受苦。