可持续性是采石业的未来，我们必须立即行动。
Sustainability is the future of quarrying, and we must act now.
你无法控制一切。有时候你只需要放松并相信事情会好起来。放手一点，让生活发生。
Your time is limited, so don't waste it living someone else's life.
What we have to do is find a way to celebrate our diversity and debate our differences without fracturing our communities.
定义就是限制。
Every man's life ends the same way. It is only the details of how he lived and how he died that distinguish one man from another.
林业领导力需要耐心——就像我们管理的树木一样，真正的影响是随着时间的推移而增长的。
The essence of technology is by no means anything technological.
