What you do on your bad days matters more than what you do on your good days.

In silence, we hear the truest voice.

We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.

最好的故事来自提出困难的问题，而不是提供简单的答案。

建筑关乎无形之物，如同有形之物。

最好的科学发现往往发生在不同学科的交叉点。