不担忧自己一家的贫寒,而担忧天下百姓的饥饿
The purpose of mental activity is to guide action.
In the exploration of science, we must not only ask why but also why not.
就因为你喜欢我的东西,不代表我就欠你什么东西。
被爱的欲望也许是我们所有虚荣心中最根深蒂固的。