Albert Barnes on 2 Corinthians 7:6

God that comforteth those that are cast down. Whose characteristic is, that he gives consolation to those who are anxious and depressed. All his consolation was in God; and by whatever instrumentality comfort was administered, he regarded and acknowledged God as the Author. 2Cor 1:4.

By the coming of Titus. To Macedonia. He rejoiced not only in again seeing him, but especially in the intelligence which he brought respecting the success of his epistle, and the conduct of the church at Corinth.

(a) "Titus" 2Cor 2:13