For the best results with your children， spend only half the money you think you should， but double the time with them.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
With each advancement in ultrafast lasers, we rewrite the textbook on how atoms and molecules behave.
银行的核心竞争力在于服务实体经济的能力，而不是简单的规模扩张。
——2004年在南京航空学院上的演讲
此一时，彼一时也，怎么能一概而论呢？
