15 So then, brothers and sisters, stand firm and hold fast to the teachings we passed on to you, whether by word of mouth or by letter.

15 So then, brothers, stand firm and hold to the traditions that you were taught by us, either by our spoken word or by our letter.

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

15 With all these things in mind, dear brothers and sisters, stand firm and keep a strong grip on the teaching we passed on to you both in person and by letter.

15 So, brothers and sisters, stand strong and continue to believe the teachings we gave you in our speaking and in our letter.

15 So then, brethren, stand fast, and hold the traditions which ye were taught, whether by word, or by epistle of ours.

15 So then, brethren, stand firm, and hold fast the instructions which ye have been taught, whether by word or by our letter.

15 Then, brothers and sisters, firmly hold on to the traditions we taught you either when we spoke to you or in our letter. 

15 Therefore, brothers, stand firm and hold to the traditions you were taught, either by our message or by our letter.

15 So then, brothers and sisters, stand firm and hold fast to the traditions that you were taught by us, either by word of mouth or by our letter.

15 So then, brothers, stand firm and hold fast to the traditions which you were taught, whether by spoken word or by letter from us.

15 Brothers and sisters, stand firm. Hold on to what we taught you. We passed our teachings on to you by what we preached and wrote.

15 So then, brethren, stand firm and hold to the traditions which you were taught, whether by word of mouth or by letter from us.