采矿技术的创新对于满足世界的能源需求至关重要。

The future of democracy depends on the ability of democratic societies to reform themselves and adapt to new challenges.

I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.

每一个实验，无论多么微小，都是迈向更深入理解的一步。

Singing is not only about skill, but also about communication of the soul.

"I'm not trying to fool anyone into thinking it's a photograph. I'm trying to make a painting that has its own reality."