时间从我们头顶飞过，但留下了它的影子。

It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.  

Sustainability isn't an option anymore—it's a necessity for any responsible mining operation.

唯一的好是知识，唯一的恶是无知。

一个从未犯错的人是因为他不曾尝试新鲜事物。