Titus 2:1

But as for you, you must speak in a manner that befits wholesome teaching.

1 Timothy 1:10

fornicators, sodomites, slave-dealers, liars and false witnesses; and for whatever else is opposed to wholesome teaching

Titus 1:9

holding fast to the faithful Message which he has received, so that he may be well qualified both to encourage others with sound teaching and to reply successfully to opponents.

1 Timothy 6:3

So teach and exhort. If any one is a teacher of any other kind of doctrine, and refuses assent to wholesome instructions--those of our Lord Jesus Christ--and the teaching that harmonizes with true godliness,

2 Timothy 1:13

Provide yourself with an outline of the sound teaching which you have heard from my lips, and be true to the faith and love which are in Christ Jesus.

Titus 2:11-14

For the grace of God has displayed itself with healing power to all mankind,

Titus 3:8

This is a faithful saying, and on these various points I would have you insist strenuously, in order that those who have their faith fixed on God may be careful to set an example of good actions. For these are not only good in themselves, but are also useful to mankind.

Treasury of Scripture Knowledge

Summary

But speak thou the things which become sound doctrine:

Bible References

General references

Titus 2:11
For the grace of God has displayed itself with healing power to all mankind,
Titus 1:9
holding fast to the faithful Message which he has received, so that he may be well qualified both to encourage others with sound teaching and to reply successfully to opponents.
Titus 3:8
This is a faithful saying, and on these various points I would have you insist strenuously, in order that those who have their faith fixed on God may be careful to set an example of good actions. For these are not only good in themselves, but are also useful to mankind.
1 Timothy 1:10
fornicators, sodomites, slave-dealers, liars and false witnesses; and for whatever else is opposed to wholesome teaching
1 Timothy 6:3
So teach and exhort. If any one is a teacher of any other kind of doctrine, and refuses assent to wholesome instructions--those of our Lord Jesus Christ--and the teaching that harmonizes with true godliness,
2 Timothy 1:13
Provide yourself with an outline of the sound teaching which you have heard from my lips, and be true to the faith and love which are in Christ Jesus.