一个国家的真正财富不仅在于其土地，还在于其水域。

张大千对绘画题材难易程度的评价。

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

如今网络上到处都是免费的教育资源，真正稀缺的是对学习的渴望。