不要害怕失败，要害怕不去尝试。

最深刻的技术是那些消失的技术。它们将自己编织进日常生活的结构中，直到与生活无法区分。

We die containing a richness of lovers and tribes, tastes we have swallowed, bodies we have plunged into and swum up as if rivers of wisdom, characters we have climbed into as if trees, fears we have hidden in as if caves.

Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.

没有目标的利润是空洞的，没有利润的目标是不可持续的。