国际体系的无政府性质迫使国家争夺权力。

"To live is the rarest thing in the world. Most people exist, that is all."

在人类（和动物）的漫长历史中，那些学会最有效合作和即兴发挥的人才能胜出。

只有在梦想中，人才能真正自由。从来如此也将永远如此。

The most successful leaders are those who listen—to patients, to scientists, and to their teams.

我不找借口。我寻找解决方案。