NET
9 Now on the topic of brotherly love you have no need for anyone to write you, for you yourselves are taught by God to love one another.
Darby
9 Now concerning brotherly love ye have no need that we should write to you, for ye yourselves are taught of God to love one another.
KJV
9 But as touching brotherly love ye need not that I write unto you: for ye yourselves are taught of God to love one another.