采矿技术的创新不是可选的，而是我们对下一代的责任。

A good mechanic is not merely a man who files and hammers, but one who can originate and perfect.

人类的愚蠢在于，总是把简单的事情复杂化。

诗人是一个种下一棵树然后坐在它的树荫下的人。

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.