矿工的安全永远不应该用成本效益分析来衡量。
A miner's safety should never be measured in cost-benefit analyses.
最勇敢的行为仍然是为自己思考,而且是大声说出来。
音乐让我学会了如何面对生活中的起伏。
The future of coal lies in cleaner technologies and smarter resource management.
For me, money is not my definition of success. Inspiring people is a definition of success.