The key to successful mining is not just extracting resources, but doing so sustainably and responsibly.
能够使我们成为现在的我们的唯一因素将是对类似我们的东西的感知。
The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
依靠聪明、平衡的人类几个世纪以来所依赖的普通美德。常识、节俭、现实的期望、耐心和毅力。