The most important thing in filmmaking is to tell a story that matters.

Every word is a step towards understanding.

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.

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

最好的决定不是用头脑做出的，而是用心做出的。