Why do we care more about future non-existence? Than past non-existence?

为什么我们更在乎未来不存在的事，而不是更在乎过去不存在的事？

youdao

Perelman's theorem goes far beyond proving this "non-existence" claim, just as Wiles' theorem tells you much more than non-existence of integer solutions of certain equations.

佩雷尔曼的定理远远超过证明这些“不存在”的断言，正如怀尔斯证明的定理所告诉你的东西要多于一类方程不存在整数解这个结论。

youdao

From the existence or non-existence of an atomic fact we cannot infer the existence or non-existence of another.

从一个原子事实的存在或不存在中，我们不能推断出另一个原子事实的存在或不存在。

youdao

Why do we care more about future non-existence ? than past non-existence?

为什么我们更在乎未来不存在的事,而不是更在乎过去不存在的事？

耶鲁公开课 - 死亡课程节选

The public transportation is virtually non-existence. And you should never rely on it.

公共交通形同虚设，你不能依赖它。

德克萨斯美女 - SpeakingMax英语口语达人

"Life's always worth living; " it's always better than non-existence."

活着总是有它的价值;,“活着总比不存在要好“

耶鲁公开课 - 死亡课程节选

Vastly more die in many poor countries from the non-existence or inadequacy of sewerage systems.

ECONOMIST: Third-world water and the private sector

Voids abound in nature, but they are abhorred by most humans, who have an existential problem with the idea of non-existence.

FORBES: For Radical Innovation, Nature Loves A Vacuum

Though I suppose the existence or non-existence of the u is helpful in determining whether the author is American or not.

ECONOMIST: The conflict in Georgia