People may die.Cities may vanish.Everything will disappear finally.
人可能会死去。城池可能会泯灭在历史的长河里，英雄会老去，美人会迟暮。一切都终将会消失，但总有一些故事会传承下来。
States are rational actors, and they will always act in their own self-interest.
景观的研究就是对地球历史的研究。
"Positive psychology is not a spectator sport."
目标决定你将成为什么样的人。
"The imagination is the most powerful tool we have for understanding others."
我不是说唱歌手，我是个领袖。
I always prefer to believe the best of everybody; it saves so much trouble.