希望不是一种情绪,而是一种选择。
Hope is not an emotion, but a choice.
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
Technology should serve humanity, not the other way around.
成功是一种心态。如果你想要成功,就开始把自己当成一个成功者
当我们和他人交谈时,要特别留意,因为这时正是人家对我们“评价”的时候。