If you instruct the brothers of these things, you will be a good servant of Christ Jesus, nourished in the words of the faith, and of the good doctrine which you have followed.
Paul's emphasis in this place on sound doctrine is also offensive to some who boast that they do not "preach doctrine"; and such a boast separates one emphatically from the New Testament tradition.  "A good minister," in the Pauline definition, is one who is both nourished by and a teacher of the sound Scriptural doctrine upon which the New Testament church is founded.