We have a soul and body today, but were we just a soul beforehand?
Mind–body dualism sounds like wave-particle duality to me. Would that mean we were quantum waves before sin?
Does sin have something to do with physical objects?
Welcome! That's some pretty tough questions there and very deep.
I will share some things I have been learning from research as well as the Holy Spirit revealing it to me.
Let's lay a foundation first.
“While we look not at the things which are seen, but at the things which are not seen: for the things which are seen are temporal; but the things which are not seen are eternal.”
— 2 Corinthians 4:18 (KJV)
Hebrews 11 (KJV)
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¹ Now faith is the substance of things hoped for, the evidence of things not seen.
² For by it the elders obtained a good report.
³ Through faith we understand that the worlds were framed by the word of God, so that things which are seen were not made of things which do appear.
So the foundation is to understand that everything that is physical and can be seen was created by the spiritual which is unseen by the natural eyes