唯一存在的限制是你给自己设定的限制。

统计学中最重要的不是数字，而是产生它们的方法及其背后的意义。

It requires indeed some courage to undertake a labor of such far-reaching extent.

I've always believed that if you put in the work, the results will come.

Innovation is the lifeline of a company; without innovation, there is no future.

书是一个你可以握在手中的世界。