Yes. (1 Cor 2:14)
I don't know if Satan NEEDS to blind the natural man, but Satan does "blind" unsaved men. (2 Cor 4:4) (Mark 4:15).
I don't know. The mechanical details of God, Satan and Salvation are above my pay grade.
(None of this seems relevant, but I am tired of chasing this bunny trail. If you have something to say, quit chewing on it and just spit it out.)
I've already said it a couple of times. To review:
1 Cor. 2:14 is addressing the natural man's inability to grasp weightier things of the spirit. It's not talking about an inability to understand the Gospel. Look at the context.
However, we speak wisdom among those who are mature...
I Corinthians 2:6
But God has revealed them to us through His Spirit. For the Spirit searches all things, yes, the deep things of God.
I Corinthians 2:10
Secondly, the Gospel is the power of God unto salvation (Rom 1:16), and the natural man, under the influence of the Holy Spirit, can understand it.
Thirdly, if the natural man cannot understand the Gospel then it makes no sense that Satan would need to blind people's eyes to it. According to the Calvinist they're not going to get it no matter what, because they are spiritually dead.
But if the natural man can understand the Gospel then that verse about blinding them to the Gospel makes perfect sense.
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