2 Corinthians 1:14; 2 Corinthians 2:5; 2 Corinthians 3:10; 2 Corinthians 9:3

14 As also ye have acknowledged us in part, that we are your rejoicing, even as ye also are ours in the day of the Lord Jesus.
5 But if any have caused grief , he hath not grieved me, but in part: that I may not overcharge you all.
10 For even that which was made glorious had no glory in this respect, by reason of the glory that excelleth .
3 Yet have I sent the brethren, lest our boasting of you should be in vain in this behalf; that, as I said , ye may be ready :