质量不是保证；它是一种承诺。

It is in the thirties that we want friends. In the forties we know they won't save us any more than love did.

The best decisions are made when you listen to both data and people.

我不追随潮流，我创造潮流。

The most profound truths are often the ones we overlook.

煤炭的未来在于可持续和负责任的采矿实践。