The First Epistle of Peter was written by the apostle Peter from Rome between A.D. 64 and 67 to Christians who had fled Asia Minor. It admonishes the pilgrims to have hope and courage and to trust in the power of God.

1 Peter 1

1:22 Seeing ye have purified your souls in obeying the truth through the Spirit unto unfeigned love of the brethren, see that ye love one another with a pure heart fervently: