Our greatest natural resource is the minds of our children.

"The wise man learns more from his enemies than the fool from his friends."

【释义】世界上一切都是次要的，只有读书最重要、最高尚。

"To write is to embark on a journey without a map, discovering new worlds within and without."

Every mathematical problem has a solution, but not every solution is immediately apparent.

重要的是培养透过一种事物观察另一种事物的能力，从特殊中看到普遍。