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States are rational actors, and they will always act in their own self-interest.
Man's freedom is his limitation.
每本书都是一次前往未知世界的旅行,充满了可能性。
The waterfall sing,"I find my song,when I find my freedom."
释义:美丽的彩云容易消散,明亮的圆月难得圆满。
The future belongs to those who understand that doing more with less is compassionate, prosperous, and enduring.