Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

Sustainable development is not an option, but a necessity for the coal sector.

品质在价格被遗忘后仍会被长久铭记。

荒野是一个发现的地方。要生存，你必须探索它。

数学不是观赏性运动——你必须参与其中才能欣赏它的美。

The truth is always an insult or a joke.

Leadership in manufacturing means anticipating change before it happens.

Quality is remembered long after the price is forgotten.