年轻人是可怕的,因为怎么能知道他的将来不如我们现在呢?但如果一个人到了四十、五十岁还默默无闻,他也就没有什么可怕的了。
Sometimes you have to play a long time to be able to play like yourself.
函数的概念在数学中是基础的,而λ演算提供了一种形式化这一概念的方法。
If you want to be the best, you have to do things that other people aren't willing to do.