We are made of star stuff.

The wise are not ashamed to seek knowledge, for they know the ocean of wisdom is boundless.

The second half of the Internet is industrial Internet.

解决数学问题的喜悦是无与伦比的；这是纯粹的智力胜利的时刻。

做间谍就是生活在一个充满怀疑和猜疑的世界里。