教育的本质意味着：一棵树摇动另一棵树，一朵云推动另一朵云，一个灵魂唤醒另一个灵魂。
The essence of education means: one tree shakes another, one cloud pushes another, one soul awakens another.
乌鸦般的交情，虽然看上去挺好，但实则不亲密；绳子结在一起，虽然看上去牢固，但能轻易解开。
Sustainability in mining is not an option—it's a necessity for our future.
It is not the mountain we conquer, but ourselves.