She who is in Babylon, chosen together with you, greets you; and so does Mark, my son.
      II. He recapitulates the design of his writing this epistle to them (1 Peter 5:12; 1 Peter 5:12), which was, 1. To testify, and in the strongest terms to assure them, that the doctrine of salvation, which he had explained and they had embraced, was the true account of the grace of God, foretold by the prophets and published by Jesus Christ. 2. To exhort them earnestly that, as they had embraced the gospel, they would continue stedfast in it, notwithstanding the arts of seducers, or the persecutions of enemies. (1.) The main thing that ministers ought to aim at in their labours is to convince their people of the certainty and excellency of the Christian religion; this the apostles did exhort and testify with all their might. (2.) A firm persuasion that we are in the true way to heaven will be the best motive to stand fast, and persevere therein.