1 Timothy 4:6-7

If you point these things out to the brothers and sisters, you will be a good minister of Christ Jesus, nourished on the truths of the faith and of the good teaching that you have followed. Have nothing to do with godless myths and old wives' tales; rather train yourself to be godly. 

nourished on the truths of the faith 
2 Timothy 1:13-14  What you heard from me, keep as the pattern of sound teaching, with faith and love in Christ Jesus. Guard the good deposit that was entrusted to you--guard it with the help of the Holy Spirit who lives in us. 
Titus 1:9  He must hold firmly to the trustworthy message as it has been taught, so that he can encourage others by sound doctrine and refute those who oppose it.

and of the good teaching that you have followed 
2 Timothy 3:14-15  But as for you, continue in what you have learned and have become convinced of, because you know those from whom you learned it, and how from infancy you have known the Holy Scriptures, which are able to make you wise for salvation through faith in Christ Jesus.

Have nothing to do with godless myths and old wives' tales 
1 Timothy 1:3-4  As I urged you when I went into Macedonia, stay there in Ephesus so that you may command certain people not to teach false doctrines any longer or to devote themselves to myths and endless genealogies. Such things promote controversial speculations rather than advancing God's work--which is by faith.
2 Timothy 2:16  Avoid godless chatter, because those who indulge in it will become more and more ungodly.

rather train yourself to be godly 
1 Timothy 6:6  But godliness with contentment is great gain.
1 Timothy 6:11  But you, man of God, flee from all this, and pursue righteousness, godliness, faith, love, endurance and gentleness.
Titus 1:1  Paul, a servant of God and an apostle of Jesus Christ to further the faith of God's elect and their knowledge of the truth that leads to godliness--...

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