没有目标的利润最终是不可持续的。

生而贫穷是意外，但死于贫穷是选择。

In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

"A good story can change the way we see the world."

函数的概念在数学中是基础的，而λ演算试图使这一概念精确化。