We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

Sustainability is not an option; it's a necessity for the future of mining.

浮动汇率并非解决所有经济问题的万能药，但它们可以提供一种有用的调整机制。

我知道自己能做什么，所以不在乎别人的想法或言论。

地球形状的问题本质上是势理论中的一个问题。