Metamorphosis
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2 Corinthians 5:17
Therefore if anyone is in Christ, he is a new creation. The old has passed away. Behold, the new has come!
Romans 12:1, 2
Therefore I urge you, brothers, on account of God’s mercy, to offer your bodies as living sacrifices, holy and pleasing to God, which is your spiritual service of worship. / Do not be conformed to this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what is the good, pleasing, and perfect will of God.
Titus 3:5
He saved us, not by the righteous deeds we had done, but according to His mercy, through the washing of new birth and renewal by the Holy Spirit.