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

The best technology is invisible—it just works seamlessly.

You have to fight through some bad days to earn the best days of your life

The biggest risk is not taking any risk. In a world that’s changing quickly, the only strategy that is guaranteed to fail is not taking risks.

The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.