可持续性不是选择，而是矿业未来的必然要求。

人生中有许多没有答案的问题。

The best way to measure how much you've grown isn't by inches or the number of laps you can now run around the track, or even your grade point average - though those things are important, to be sure.It's what you've done with your time, how you've chosen to spend your days, and whom you've touched this year. That, to me, is the greatest measure of success.

Success is not the key to happiness. Happiness is the key to success.

最伟大的建筑来自于倾听 - 倾听土地，倾听人民，倾听社区的需求。