The concept of a legal right is a complex one, involving not only the existence of a rule but also the existence of a remedy.

The most advanced farming technology is useless without the wisdom to apply it properly.

当我们是大为谦卑的时候，便是我们最接近伟大的时候。

人生起落无常，低谷时别放弃。  

中心地是总旅行距离最小的点。