定义就是限制。

"Success in quantitative investing comes from a deep understanding of data and the ability to see patterns that others miss."

体验越强烈，表达就越不清晰。

人们在做事时绝不能够拖拉，不能够反复多变，不能够斤斤计较；可是替别人做事时，却特别需要耐得住拖延耽搁，耐得住反复多变，耐得住琐碎烦乱。

Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.

La memoria es fundamental para no repetir los errores del pasado.

现代时代最重要的政治发展是现代国家的崛起。