To live is not to breathe， but to act.
在一个国家中，一个公民的自由就是所有人的自由。
"A man who does not think for himself does not think at all."
Every challenge is an opportunity to learn and grow.
知识最大的敌人不是无知，而是知识的幻觉。
我是一个喜欢在顶端的人。