(13) 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:
(13) He commends the practice of obedience, that is, charity: earnestly repeating again, that he speaks not of any common charity, and such as proceeds from that our corrupt nature, but of that whose beginning is the Spirit of God, which purifies our souls through the word laid hold on by faith, and engenders also in us a spiritual and everlasting life, as God himself is most pure and truly living.