God abhors a naked singularity.
In real time, the universe has a beginning and an end at singularities that form a boundary to space-time and at which the laws of science break down.
For years, my early work with Roger Penrose seemed to be a disaster for science. It showed that the universe must have begun with a singularity, if Einstein's general theory of relativity is correct. That appeared to indicate that science could not predict how the universe would begin.
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