Flow is being completely involved in an activity for its own sake. The ego falls away. Time flies. Every action, movement, and thought follows inevitably from the previous one, like playing jazz. Your whole being is involved, and you're using your skills to the utmost.

Quality is not just a goal, it is a journey.

The journey of a thousand miles begins with one step.

我不追逐潮流，我创造潮流。

The future of coal depends on our ability to innovate and reduce its environmental impact.