KJV:
Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle.
NASB:
So then, brethren, stand firm and hold to the traditions which you were taught, whether by word of mouth or by letter from us.
KJV:
Finally, brethren, pray for us, that the word of the Lord may have free course, and be glorified, even as it is with you:
NASB:
Finally, brethren, pray for us that the word of the Lord will spread rapidly and be glorified, just as it did also with you;
KJV:
Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother that walketh disorderly, and not after the tradition which he received of us.
NASB:
Now we command you, brethren, in the name of our Lord Jesus Christ, that you keep away from every brother who leads an unruly life and not according to the tradition which you received from us.
KJV:
But ye, brethren, be not weary in well doing.
NASB:
But as for you, brethren, do not grow weary of doing good.
KJV:
Yet count him not as an enemy, but admonish him as a brother.
NASB:
Yet do not regard him as an enemy, but admonish him as a brother.
KJV:
If thou put the brethren in remembrance of these things, thou shalt be a good minister of Jesus Christ, nourished up in the words of faith and of good doctrine, whereunto thou hast attained.
NASB:
In pointing out these things to the brethren, you will be a good servant of Christ Jesus, constantly nourished on the words of the faith and of the sound doctrine which you have been following.
KJV:
Rebuke not an elder, but intreat him as a father; and the younger men as brethren;
NASB:
Do not sharply rebuke an older man, but rather appeal to him as a father, to the younger men as brothers,
KJV:
And they that have believing masters, let them not despise them, because they are brethren; but rather do them service, because they are faithful and beloved, partakers of the benefit. These things teach and exhort.
NASB:
Those who have believers as their masters must not be disrespectful to them because they are brethren, but must serve them all the more, because those who partake of the benefit are believers and beloved. Teach and preach these principles.