公共领域是一个社会空间，私人个体作为公众聚集在一起讨论普遍关心的问题。

殖民地代表着一个新人类计划将被测试的场所。

We live in an age that reads too much to be wise, and thinks too much to be beautiful.

It is far more difficult to murder a phantom than a reality.

【释义】凯根打破童年决定论：快乐童年未必护航成年，而经历过黑暗的孩子反而可能锻造韧性。

The most advanced machinery means nothing without skilled hands to guide it.

背景非常重要。背景不仅仅是物理背景，还包括历史和文化背景。