A sustainable coal industry is possible if we commit to the right technologies.
We must fish with the future in mind, not just the present.
表演不是要成为不同的人。它是在明显不同的事物中找到相似之处,然后在那里找到自己。
The market is an example of a spontaneous order: a system which is the product of human action but not of human design.
我们必须倾听科学,即使它挑战我们的传统方法。