To build is to take a stand in the world.

We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

"Deep learning is a form of machine learning that enables computers to learn from experience and understand the world in terms of a hierarchy of concepts."

我是那种会为自己人挡子弹的人，如果你越界，我也会要你的命。

沉默是上帝的语言，其他一切都是拙劣的翻译。