A LISP programmer knows the value of everything, but the cost of nothing.

我希望被记住为一个善良且能带给人们快乐的人。

Mathematics is the language in which the universe writes its deepest secrets.

在数学中，提出问题的艺术必须比解决问题更有价值。

To feed the world, we must first respect the resources we have.

艺术不是关于答案，而是关于问题。