For most people, the words "time travel" bring to mind science fiction: H. G. Wells, Star Trek, and a certain famous DeLorean automobile.

对于大部分人，短语“时间旅行”会使他们联想到科幻小说：H .G .Wells、Star Trek和某种流行的DeLorean汽车。

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Wisdom does not belong to evil mind, science without conscience is but the destruction of the soul. - Rabelais.

智慧不属于恶毒的心灵，没有良心的科学只是灵魂的毁灭。——拉伯雷。

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As an activity, as a state of mind, science is fundamentally optimistic.

作为一种活动，作为一种心智状态，科学从根本上说是乐观的。

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As an activity, as a state of mind, science is fundamentally optimistic.

作为一种活动，作为一种心智状态，科学从根本上说是乐观的。

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