唯一比外星人更让我害怕的是没有外星人。我们不能是创造物中最好的。我祈祷我们不是全部。如果是这样,我们就麻烦大了。
Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.
We don't inherit the earth from our ancestors; we borrow it from our children.