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Now I would remind you, brothers, of the gospel I preached to you, which you received, in which you stand, and by which you are being saved, if you hold fast to the word I preached to you—unless you believed in vain.
[..]
For I am the least of the apostles, unworthy to be called an apostle, because I persecuted the church of God. But by the grace of God I am what I am, and his grace toward me was not in vain. - 1 Corin. 15

My confession, as in what I believe to be true: God's grace is sufficient to save me, but when He looks at my life and the wasteland that it has become, He demurs, "You weren't worth it."

μετάνοια: What God says is true: "My grace toward you was not in vain."

Not in vain.

I waited patiently for the Lord;
    he inclined to me and heard my cry.
He drew me up from the pit of destruction,
    out of the miry bog,
and set my feet upon a rock,
    making my steps secure.
He put a new song in my mouth,
    a song of praise to our God.
Many will see and fear,
    and put their trust in the Lord.
--Psalm 40:1-3

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