Diplomacy is not an end in itself if it does not advance the interests of the nation.
战略的核心包含三个要素:诊断、指导方针和连贯的行动。
I'm not trying to be sexy or cute. I'm just being myself.
The universe is not only stranger than we imagine, it is stranger than we can imagine.
The most important quality for a scientist is curiosity - the desire to understand how things work.