The best way to learn is to teach.
质数就是当你把所有模式都剔除后剩下的东西。我觉得质数就像生活,它们非常有逻辑性,但你永远无法找出规律,即使你花上一辈子时间去思考。
I wonder how many people I've looked at all my life and never seen.
The best way to cheer yourself up is to try to cheer somebody else up.
新式教育理论中的中心思想之一,正是呼吁人们重视孩子社会本领的培养,并且鼓励孩子与同伴相处。