没有重要和显著的艺术形式；只有艺术，而且少得可怜。

In mathematics, you don't understand things. You just get used to them.

生意就是赚钱，不是交朋友。

Coal enterprises must actively adapt to energy structure adjustments and accelerate transformation and upgrading.

I always thought it was important to have a vision and to persist.

The true joy of mathematics lies in the act of discovery, not just the result.

战略思维很少自发产生。