Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.

觉醒的人唯一的责任，是找到自我，成为自我，自己摸索前行的路。

煤炭开采的创新不仅仅是关于开采，而是更智能、更安全、对环境的影响更小。

最艰难的选择常在短期利润和长期韧性之间——明智选择。

一个国家的真正财富来自于它的土壤。