The best investment you can make is in your own abilities.

我们在这片土地上拥有让生活值得过的东西。

Don’t say anything about someone in email you would not be comfortable saying to them directly， because eventually they will read it.

怕热，就别进厨房。

对一个人而言，只要谨慎自信 ，没有什么是高不可攀的。

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.