写作的艺术是发现你所相信的东西的艺术。
一个公司的强大程度取决于为其工作的人。
采矿技术创新不是可选项 - 它对我们的生存和发展至关重要。
可持续性是采石业的未来，我们必须立即行动。
投资者应避免追逐过去的业绩。
Failure gave me an inner security that I had never attained by passing examinations. Failure taught me things about myself that I could have learned no other way. I discovered that I had a strong will, and more discipline than I had suspected; I also found out that I had friends whose value was truly above the price of rubies.