We tend to overestimate what we can do in a day， and underestimate what we can achieve in a decade. Miraculous things can be accomplished if you give it ten years. A long game will compound small gains to overcome even big mistakes.

Every ton of coal we extract carries a responsibility—to our workers, communities, and the planet.

国际政治是一项残酷而危险的事务，而且很可能继续保持这种状态。

至今一切社会的历史都是阶级斗争的历史。

Stay hungry,Stay foolish.

We must embrace change to stay ahead in the stone industry.

"We are all in the gutter, but some of us are looking at the stars."