The Apostle Paul
2 Corinthians 2:13ESV·traditional attribution

my spirit was not at rest because I did not find my brother Titus there. So I took leave of them and went on to Macedonia.

Matthew Henry Presbyterian @wholebiblehenry

After these directions concerning the excommunicated person the apostle makes a long digression, to give the Corinthians an account of his travels and labours for the furtherance of the gospel, and what success he had therein, declaring at the same time how much he was concerned for them in their affairs, how he had no rest in his spirit, when he found not Titus at...

Commenting on 2 Corinthians 2:12-17

John Gill Reformed Baptist @doctorgill

I had no rest in my spirit,.... Though there was such a door opened to preach the Gospel, and such an opportunity of doing good, yet he was greatly distressed in his mind; very restless and uneasy in his spirit, and could not be satisfied to stay; which shows, that though he was so great a man, he was but a man, and of like...

Albert Barnes Presbyterian @notesbybarnes

Verse 13. I had no rest in my spirit. I was disappointed, sad, deeply anxious. Though the work in which I was engaged was that which usually gives me my highest joy, yet such was my anxiety to learn the state of things in Corinth, and the success of my letter, and to see Titus, whom I was expecting, that I had comparatively no peace, and no comfort.