The liberal democratic system may not be perfect, but it is the best system we have.

译文：事业很难成功却很容易失败，时机非常难得却容易失去。赏析：没有人能随随便便成功。成功不光要有坚韧不拔的意志，还要找对方向，付出百倍甚至千倍的努力。成功的时机也很重要，抓住时机能事半功倍。

Leadership is about making tough decisions with conviction and empathy.

人类是一种非常奇特的生物。