KJV:
If so be that ye have heard him, and have been taught by him, as the truth is in Jesus:
NASB:
if indeed you have heard Him and have been taught in Him, just as truth is in Jesus,
KJV:
Whom we preach, warning every man, and teaching every man in all wisdom; that we may present every man perfect in Christ Jesus:
NASB:
We proclaim Him, admonishing every man and teaching every man with all wisdom, so that we may present every man complete in Christ.
KJV:
Rooted and built up in him, and stablished in the faith, as ye have been taught, abounding therein with thanksgiving.
NASB:
having been firmly rooted and now being built up in Him and established in your faith, just as you were instructed, and overflowing with gratitude.
KJV:
Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord.
NASB:
Let the word of Christ richly dwell within you, with all wisdom teaching and admonishing one another with psalms and hymns and spiritual songs, singing with thankfulness in your hearts to God.
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:
But I suffer not a woman to teach, nor to usurp authority over the man, but to be in silence.
NASB:
But I do not allow a woman to teach or exercise authority over a man, but to remain quiet.
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.