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No matter how much we might wish it, there is no way to build a lock that only angels can open and demons cannot. Anyone who tells you otherwise is either ignorant of the mathematics or less of an angel than they appear.
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No matter how much we might wish it, there is no way to build a lock that only angels can open and demons cannot. Anyone who tells you otherwise is either ignorant of the mathematics or less of an angel than they appear.

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