遥远的姑射山上，有神人居住。肌肤像冰雪白皙，姿态柔美如同处女，不食人间五谷，呼吸清风，饮用甘露，乘着云气，驾驭飞龙，遨游在四海之外。

历史是对于未来最好的老师。历史书中的答案价值万金。

We are in the midst of a paradigm shift, where the focus is shifting from the individual to the collective.

数学的本质在于它的自由。

I don't need a reason to be bold.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

有能力的程序员完全意识到自己头骨的严格有限尺寸；因此他以完全的谦逊态度对待编程任务，并且避免像瘟疫一样的聪明技巧。