未来不是命中注定的。没有保证。所以，要主动承担成年人的责任。要有目的性。

In mathematics, the simplest questions often lead to the most profound discoveries.

The quality of an organization's processes determines the quality of its products and services.

读书学习的人要像闺中少女一样小心谨慎对待别人。做官之后如同过了门的媳妇，要使百姓能各有所养。年老辞官后如同慈祥的老太婆，要担负起教育后人的责任。