There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.

创新不仅仅是技术的问题；它关乎我们思考和运营方式的改变。

死亡是存在的最高可能性。

The tyranny of the magistrate is not less formidable than that of the multitude.

数学的本质在于它的自由。