Technological innovation is the fundamental way to solve the problems of the coal industry.

伟大不是成为最好的，而是比以前的自己更好。

There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.

最好的表演来自于诚实和脆弱的地方。

记忆就像拼贴画 - 有些部分清晰，有些褪色，随着时间的推移重新排列。

跨行业合作是解决能源挑战的关键。

言语当然是人类使用的最强效的药物。