板块构造理论是地质学的统一理论。

We have to continually be jumping off cliffs and developing our wings on the way down.

You don't build a business. You build people, and then people build the business.

采矿业有责任为后代留下积极的遗产。

可持续性不是一种选择；它是我们星球未来的必需品。