The notion of a function is fundamental in mathematics, and the λ-calculus provides a way to formalize this notion.
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。
"Never let your fear decide your future."
如果你不能嘲笑自己，你就错过了最好的笑话。
如果你想改变生活，就先改变思维。
Never forget why you started, and you can accomplish your mission. We must always keep in mind the mission of "dedicating oil to the motherland".
I write songs to heal myself and others.
Leadership is about making the tough decisions when no one else is willing to.
改变你的思想，你就改变了你的世界。