As one of the characters in the film says, "ignorance is bliss" Essentially, if the truth is unknown, or you believe that you know the truth, what is there to question or worry about?

正如影片中的一位人物所说，“无知就是幸福。”重要的是，如果真相是未知的，或者你深信你了解真相，还有什么要询问或担心的呢？

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The alternative is clinging to what we know, limiting our focus on what is controllable, and denying the unknown.

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"We do not know exactly what type of weapon was used other than to say that it is at this point an unknown instrument, " he said.

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