每一本书都是一个待发现的世界，充满了惊喜和教诲。

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你唯一应该努力超越的人就是昨天的自己。

"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized, where the dream of a world without genders is to be realized, where the dream of a world without religions is to be realized, where the dream of a world without money is to be realized."