2 Corinthians 3:1-3; 2 Corinthians 7:8; 2 Corinthians 10:9-11
Are we beginning to commend ourselves again? Or do we need, as some, letters of commendation to you or from you?
You are our letter, written in our hearts, known and read by all men;
being manifested that you are a letter of Christ, cared for by us, written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts.
For though I caused you sorrow by my letter, I do not regret it; though I did regret it-for I see that that letter caused you sorrow, though only for a while -
for I do not wish to seem as if I would terrify you by my letters.
For they say, "His letters are weighty and strong, but his personal presence is unimpressive and his speech contemptible."
Let such a person consider this, that what we are in word by letters when absent, such persons we are also in deed when present.