If it’s all a mystery and unknowable, it’s probably bs and should be ignored.
An omnipresent being should be able to communicate more efficiently.
What’s inefficient about “Some standing here will not taste death till you see the Son of Man coming in his kingdom “?
The idea that everything has to be knowable is not an assertion that can be supported by any known rules of logic and rationality. It is a vaporous assertion.
An omnipresent being should be able to communicate more efficiently.
Presumes that an "efficient" communication by an omnipresent being will be understood by finite minds.
Arguments against unknowability of certain spiritual matters quickly run into insurmountable logical problems.