2 Thessalonians 2:15

Therefore, brethren, stand, and hold firmly the doctrines which ye were taught, whether by the word, or by our epistle.

1 Corinthians 11:2

And I approve you, brethren, that ye remember me in all things, and as I have delivered to you, do ye hold the traditions.

1 Corinthians 16:13

Watch ye, stand in the faith, be manly, be strengthened..

2 Thessalonians 2:2

For you not to be quickly shaken in mind, neither be disturbed, neither by spirit, nor by word, nor by epistle as by us, as that the day of Christ has drawn near.

2 Thessalonians 3:6

And we proclaim to you, brethren, in the name of our Lord Jesus Christ, for you to shrink from every brother walking disorderly, and not according to the doctrine which he received of us.

Romans 16:17

And I beseech you, brethren, to observe narrowly them having made divisions and scandals against the teaching which ye learned; and bend away from them.

1 Corinthians 15:58

Wherefore, my beloved brethren, be stable, unmoved, abounding in the work of the Lord always, knowing that our fatigue is not in vain in the Lord.

Philippians 4:1

Therefore, my brethren, dearly beloved and longed for, my joy and crown, thus stand ye in the Lord, dearly beloved.

2 Thessalonians 3:14

And if any listen not to our word by the epistle, mark him, and mix not together with him, that he may change.

Jude 1:3

Dearly beloved, making all diligence to write to you of the common salvation, I had necessity to write to you, beseeching to fight for the faith once delivered to the holy ones.

Treasury of Scripture Knowledge

Summary

Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle.

Bible References

Whether

2 Thessalonians 2:2
For you not to be quickly shaken in mind, neither be disturbed, neither by spirit, nor by word, nor by epistle as by us, as that the day of Christ has drawn near.
2 Thessalonians 3:14
And if any listen not to our word by the epistle, mark him, and mix not together with him, that he may change.