Translators use a lowercase "g" in "god of this age [or, world]" in II Corinthians 4:4, yet it is the true God who blinds; He alone opens and closes eyes.
As Moses had to veil his luminous face, so, metaphorically, the God of this age mercifully blinds carnal individual for now because light hurts their eyes.
God has allowed carnal nature to remain in His people so He can determine whether they seriously want to defeat the downward pulls of the flesh.
Paul poses two questions in Romans 11: Has God discarded Israel for all time? Will God graft physical Israel into the Covenant people of Abraham?
God, as Creator, takes the initiative (as the potter over the clay) for the elect's salvation, enabling us to build the repertoire of habits called character.
When the children of light judge and condemn those living in this world, they become the world and move away from God.
God never accepts worship that comes from human reasoning and the traditions of man. The starting point for worship must always be God and His revelation.
Hebrews emphasizes that Jesus qualified as High Priest, teaching us about living by faith in the New Covenant, which mandates that we keep His commandments.