Every ton of coal we extract must create maximum value with minimum environmental impact.

El silencio también es poesía, un espacio donde las palabras encuentran su verdadero significado.

Jazz taught me freedom, but life taught me soul.

经济理论提供工具，但现实世界的测试会完善它们。

Directing is about collaboration; it's about bringing together a group of talented people to create something greater than the sum of its parts.

二十世纪自由主义与极权主义之间的伟大斗争以前者的胜利告终。