Hawking's argument was that perhaps mankind should stay quiet and refrain from trying to send signals into outer space.

霍金的说法是，人类大概应该保持沉默，避免往外太空发射信号。

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So we ask that you stay cheerful and confident regardless of the outer happenings because the changes are upon you.

所以我们请求你们保持“开朗”和“自信”，不要理会“外在”的变化是如何，因为改变的发生依赖于你们。

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If we stay in the rat-race 24 hours, seven days a week, we are bound to pollute our inner space as well as the outer space.

如果我们保持每周七天二十四小时你死我活的竞争状态，我们必然会污染我们的内心世界，也会污染外部空间。

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