最优秀的采石场不仅提取价值，更通过再生创造价值。

Continuous improvement isn't just a process, it's a mindset that should permeate every level of our organization.

If you want to live a happy life, tie it to a goal, not to people or things.

I'm always looking for ways to improve, even when I'm at the top.

The system produces needs faster than it can satisfy them.