We are all patchworks of our ancestors.
行为法则可以从基本的生理原则中推导出来。
调动洋人的敌对国家来攻打洋人,学习洋人先进的技术来制服洋人。
Change is hard, but it is necessary for progress.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.