The key to successful investing is to have a clear understanding of the market, the risks involved, a disciplined approach, a long-term perspective, a strong understanding of the fundamentals, and a clear understanding of the risks and rewards.

——《在石家庄国民党交通部欢迎会的演说》（1912年9月21日）

We are all the sum of our memories.

The best way to learn computer architecture is to build one.

解读：知晓道理容易，付诸实践却困难重重，很多人困于理论，缺乏行动力，知行脱节带来巨大的挫败感与自我怀疑，督促人行动起来。

The difference between good and great is attention to detail.

偏差和方差之间的权衡是机器学习中的一个基本概念。

激情是普遍的人性。没有它，宗教、历史、浪漫和艺术都将毫无用处。