1 Timothy 3:11-18 (ESV)
11 Their wives likewise must  be dignified, not slanderers, but sober-minded, faithful in all things. 12 Let deacons each be the husband of one wife, managing their children and their own households well. 13 For those who serve well as deacons gain a good standing for themselves and also great confidence in the faith that is in Christ Jesus.
The Mystery of Godliness
14 I hope to come to you soon, but I am writing these things to you so that, 15 if I delay, you may know how one ought to behave in the household of God, which is the church of the living God, a pillar and buttress of the truth. 16 Great indeed, we confess, is the mystery of godliness: