一本书是一面镜子：如果一只猿猴看进去，一个使徒几乎不可能看出去。

The most significant threat to liberal democracy today is not from the outside, but from within.

Innovation in energy must be balanced with responsibility—progress cannot come at the expense of the planet.

煤炭的未来在于清洁高效利用。

I'm focused on what I can control.