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进化是世界上最美丽的事情。
Evolution is the most beautiful thing in the world.
没有自由就不会有道德。
可持续性不是成本;而是对我们共同未来的投资。
The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn?