球体是所有立体图形中最美的。

Responsible mining is about leaving a positive legacy for the communities we operate in.

I'm focused on what I can control.

经常静坐思考，来收拢思想；减少饮酒色欲，来清理思想；摒除嗜好情欲，来修养思想；体味古人教训，来警戒思想；悟察至理名言，来明确思想。