你和我各有一个苹果，如果我们交换苹果的话，我们还是只有一个苹果。但当你和我各有一个想法，我们交换想法的话，我们就都有两个想法了。

我试图在每个项目中找到我称之为"缺失环节"的东西。

The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.

全红婵在巴黎奥运会夺冠后说的话感动了很多人

I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.

作家的职责是说出真相，即使这很不方便。

就是说做不善的事情要受到惩罚，做善事会得到奖赏。