But, when he was in Rome, he sought me out very diligently, and found me.
Paul asserts his apostolic authority not for Timothy's sake alone; Timothy already believed. He writes with these grand titles because he stands at death's door and means to seal his whole ministry with his blood, that the Church may know his doctrine comes from God Himself, not from a mortal man's opinion.
AI summary
Commenting on 2 Timothy 1:1-18
Having (Ti2 1:13, Ti2 1:14) exhorted Timothy to hold fast, I. He mentions the apostasy of many from the doctrine of Christ, Ti2 1:15. It seems, in the best and purest ages of the church, there were those that had embraced the Christian faith, and yet afterwards revolted from it, nay, there were many such.
Commenting on 2 Timothy 1:15-18
But when he was in Rome,.... Upon some business or another, where the apostle was a prisoner: he sought me out very diligently, and found me; as there might be many prisons in Rome, he went from one to another, till he found him; and was one of those to whom Christ will say hereafter, "I was in prison and ye came unto me", Mat...