风景屏住呼吸，等待着什么发生，但什么也没有。

Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.

The most important thing in communication is hearing what isn't said.

采矿业的可持续性不是可选项，而是我们未来的必然选择。