吃得更好，生活更好

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。

The truth is not always the best answer, but it is the only one that can set you free.

The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.

挑战让我们成长，拥抱它们吧。

"Sometimes the most dangerous people are the ones who seem the most ordinary."