1
:- )
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They certainly don't talk particle physics with them --
-- and exactly per your idea, in 2 Cor. 12 it also claims that there are ideas / thoughts in heaven that are far too complex for us to understand. THOSE things are not included in revelation, according to 2 Cor. 12, at least.
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I communicate a lot of ideas to my cat, much less to a chimp. Humans are obsessed with talking to chimps.
Being the smarter of the two species, we can easily dumb things down for chimps and make communication possible. No?