KJV:
Comfort your hearts, and stablish you in every good word and work.
NASB:
comfort and strengthen your hearts in every good work and word.
KJV:
And that we may be delivered from unreasonable and wicked men: for all men have not faith.
NASB:
and that we will be rescued from perverse and evil men; for not all have faith.
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:
Now the Lord of peace himself give you peace always by all means. The Lord be with you all.
NASB:
Now may the Lord of peace Himself continually grant you peace in every circumstance. The Lord be with you all!
KJV:
The salutation of Paul with mine own hand, which is the token in every epistle: so I write.
NASB:
I, Paul, write this greeting with my own hand, and this is a distinguishing mark in every letter; this is the way I write.
KJV:
The grace of our Lord Jesus Christ be with you all. Amen.
NASB:
The grace of our Lord Jesus Christ be with you all.