The strength of the state is crucial for the success of any society.

Everyone seems to have a clear idea of how other people should lead their lives, but none about his or her own.

"The lower you are, the higher your mind will want to soar."

世界不是一个舞台，而是一个疯人院。演员不是表演者，而是囚犯。

"What you don't know can't hurt you, but it can kill you."

The interplay between light and matter at attosecond timescales reveals a universe far more dynamic than we ever imagined.