A nation that neglects its maritime resources neglects its future.

The most important thing in leadership is to listen—really listen—to the people around you.

政治是可能的艺术，戏剧是不可能性的艺术。

自然界运行的规律就是，发展到尽头则走向反面，发展到极盛则走向衰落。

生物圈是一种具有宇宙特征的行星现象。