Therefore, my beloved brethren, be ye steadfast, unmovable, always abounding in the work of the Lord, for ye know that your labor is not in vain in the Lord.
Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother who walketh disorderly and not according to the tradition which he received from us.
Beloved, while I was giving all diligence to write unto you of the common salvation, it was needful for me to write unto you and exhort you that ye should earnestly contend for the faith which was once delivered unto the saints.