水泥行业必须进化，否则就会被淘汰。

数学之美在于它能够化繁为简。

In catalysis, sometimes the smallest modification can lead to the biggest breakthroughs.

The best ideas often come from those who work closest to the problem.

I dream that my son will grow up to be a good person, a free person. I dream that someday you will return to revisit the land of our childhood. I dream that flowers will bloom in the streets again...and kites will fly in the skies!