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>> “The tribulation is not about the church...” <<
Nothing is about “the church,” there is no NT church. That is a creation of men.
Israel, the Kehillah, His remnant through all of human history, is all there is. That is what he said he would “build” (expand).
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That would be true, if it was true...
Your problem is that you reject the New Testament Scriptures...We don't...We know that when God in the flesh showed up to redeem his people, they not only rejected him again but killed him...
And then God says, 'you idiots!!! I'll show you'...
God then blinded them to his Messiah and let them live a life of sin and misery while raising up the Apostle Paul to give what he promised them to the heathen...