采矿的真正财富不仅在于开采的矿石，更在于我们提升的生活品质。
科学应该始终为人类服务，而不是反过来。
It is the preoccupation with possessions， more than anything else， that prevents us from living freely and nobly.
我们必须像投资技术一样投资于人，我们的员工是我们最宝贵的资产。
要将一个国家从最低级的野蛮状态带到最高度的富裕，所需的几乎只有和平、低税收和较为合理的司法管理。
The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.