There is no such thing as society: there are individual men and women, and there are families.

解释：人有知识，犹如树木有枝叶，树木有了枝叶，能带给人阴凉，人有了知识，就可以为人民做更多的事。

However difficult life may seem, there is always something you can do and succeed at.

The best solutions are often the simplest ones.

The essence of mathematics lies in its freedom.

A company’s greatest asset is its people—invest in them, and they will drive success.

我写作是为了理解人类经验的复杂性。