"In times of crisis, true leaders emerge by making tough decisions with conviction."

保持饥饿，保持愚蠢。

I don't believe in luck, but I do believe in assigning value to things.

国际体系的结构迫使国家以某种方式行事，无论其内部特征如何。

好奇心是每一次重大科学进步背后的驱动力。