A quarry manager needs the precision of an engineer and the vision of a poet.

Never stop learning, because the world never stops changing.

To see a world in a grain of sand, and a heaven in a wild flower, hold infinity in the palm of your hand, and eternity in an hour.

最好的性能改进是从非工作状态到工作状态的转变。

The future of business is digital, and the future of digital is in the cloud.

True progress happens when we stop competing over who's right and start collaborating on what works.

Strengthen international cooperation to promote the improvement of technology and management in the coal industry.

凡是能够说的，都能够说清楚；对于不可说的东西我们必须保持沉默。