Excellent points all.
But, I would personally emphasize what Jesus stated in John 6:28, 29: “THIS IS THE WORK OF GOD - that you BELIEVE in Him whom He sent.” IMHO, one of the biggest periods in scripture, though not in the Greek which had no punctuation.
The reality emphasized in Point 1 is only a result of vs. 29 being first a reality in experience. All works that are not out of faith (”obedience of faith”, Romans - Paul) are dead works.
Only works that are out of faith, done by the Holy Spirit in and through us, last forever.
>> THIS IS THE WORK OF GOD - that you BELIEVE in Him whom He sent. <<
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To believe in him is to follow all he taught, and live as he lived. This is discipleship.
It does not mean to believe that he lived and died on the cross to pay for our sins.
Satan believes that, and it won’t save him!
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