Sometimes, the smallest step in the right direction ends up being the biggest step of your life.

祸患转化为幸福，把失败作为成功的根基。如能留的青山在，就不怕没柴烧。

Coal mining is a partnership between the earth and human ingenuity.

你不能只做一次有效的事情，你周围的一切都在不断变化。要成功，就要走在变化的前面。