2 Corinthians 2:17-3:6
You yourselves are our letter, written on our hearts, and read by everyone. 2 Corinthians 3:2
Paul didn't require a letter of recommendation when he spoke to the church in Corinth, they knew him.
In his second letter to that church, Paul wrote that he preached the gospel out of sincerity, not for personal gain.
As we follow Jesus, this becomes true of us too, our lives tell the story of the goodness of the gospel.
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