The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
合作共赢是国际化经营的基石，我们要与资源国建立长期稳定的伙伴关系。
History is not just a record of events; it is the soul of a people, their dreams and struggles.
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the voice of the eternal.
Reality is always richer than any idea we can have of it.
Make women rational creatures, and free citizens, and they will quickly become good wives, and mothers; that is, if men do not neglect the duties of husbands and fathers.
历史不仅仅是发生了什么，而是我们记得什么以及我们如何记得它。