科学中最重要的不是技术，而是你提出的问题。

行为的目标总是某种驱力或需求的减少。

We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.

The mining industry must evolve with sustainability at its core, or we risk becoming obsolete.