现代国家的特点是其能够以前现代国家无法做到的方式集中和使用权力。

"A well-written biography is a bridge between the past and the present."

Books are the mirrors of the soul.

我不是梦想家，我是实干家。

能源转型不仅仅是更换燃料；它关乎整个经济和社会的转型。

"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."

生死有命，没有人能要求多活一秒钟。

气候变化的解决方案始于我们如何管理森林。

Stay the course. No matter what happens, stick to your program.