所有人类行为都有以下七个原因中的一个或多个：机会、自然、强迫、习惯、理性、激情和欲望。

The desire to be loved is perhaps the most deeply rooted of all our vanity.

"To understand a place, you must first understand how it came to be."

如果开采技术不优先考虑环境可持续性，那么创新就毫无意义。