煤炭开采的创新不是要重新发明轮子，而是要让轮子更高效、更环保。
Hope is not a feeling; it is a doable thing.
The only limits you have are the ones you set for yourself.
Sustainability is not a style, it's a responsibility.
The brave may not live forever, but the cautious do not live at all.
预测未来的最好方法就是创造未来。
A building should be rooted in its site, but reach for the sky.