每一个数学问题都是通向新理解世界的窗口。

There is nothing in the world so irresistibly contagious as laughter and good humor.

The energy transition must consider each country's specific conditions.

Sustainability isn't a choice—it's a responsibility we owe to the next generation.

History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.