协助儿童,能使你们之间建立起更亲密的关系。这胜过一般的感情,因为你不仅给他安慰,更给予了他们实际的帮助。
人生就像一首歌,有高潮也有低谷,重要的是如何演绎。
Theorems are the permanent literature of mathematics.
Always look for the positive in every situation. There is always something to be grateful for.
"To write is to resist the erosion of time."
最好的学习方法就是实践。