U.S. energy independence doesn't mean isolation - we're still part of global markets.

写作是一种理解世界的方式。它是一种理解混乱的方式。

Resource development must balance economic benefits and ecological protection to achieve sustainable development.

你越深入数学，就越能意识到一切是如何相互关联的。

Psychology must be a science of functions, not just a science of facts.

In the end, we are all alone. But that loneliness is what connects us all.

死者一直在倾听。死者一直在注视。