The paradox of the stone: "Could God create a stone so heavy that even he could not lift it?" was solved by Grothendieck by introducing an infinite tower of gods. The God of the n'th universe can only create stones that he can lift. But the God from the n+1 universe can create an unliftable stone for the God from the n'th universe, and so on.
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RE: https://mathstodon.xyz/@BartoszMilewski/116097634035068320
Religious reflection.
Whether it is true or not, I find it very likely that Grothendieck existed.