如果发动机吸入一只鸟，它必须能够安全关闭，不发生突然起火或爆炸。

If an engine ingests a bird, it must be able to shut down safely without bursting into flames or exploding.

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“它肯定不能给出关于真实大爆炸和真实时间真实的最终答案”，他说，“但如果你研究它，可能会发现些什么，并有可能提出更明智的问题来。”

"It will never give you the real final answer about the real Big Bang and real time," he said. "But if you study it, you may discover something, and you may be able to ask more intelligent questions."

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如果世界是虚拟的，它的出现在大爆炸理论中就不会自相矛盾，因为每个虚拟系统都会被输入。

If the universe were a virtual reality, its creation at the big bang would no longer be paradoxical, as every virtual system must be booted up.

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