KJV:
Being confident of this very thing, that he which hath begun a good work in you will perform it until the day of Jesus Christ:
NASB:
For I am confident of this very thing, that He who began a good work in you will perfect it until the day of Christ Jesus.
KJV:
That ye may approve things that are excellent; that ye may be sincere and without offence till the day of Christ;
NASB:
so that you may approve the things that are excellent, in order to be sincere and blameless until the day of Christ;
KJV:
Holding forth the word of life; that I may rejoice in the day of Christ, that I have not run in vain, neither laboured in vain.
NASB:
holding fast the word of life, so that in the day of Christ I will have reason to glory because I did not run in vain nor toil in vain.
KJV:
Which is come unto you, as it is in all the world; and bringeth forth fruit, as it doth also in you, since the day ye heard of it, and knew the grace of God in truth:
NASB:
which has come to you, just as in all the world also it is constantly bearing fruit and increasing, even as it has been doing in you also since the day you heard of it and understood the grace of God in truth;
KJV:
For this cause we also, since the day we heard it, do not cease to pray for you, and to desire that ye might be filled with the knowledge of his will in all wisdom and spiritual understanding;
NASB:
For this reason also, since the day we heard of it, we have not ceased to pray for you and to ask that you may be filled with the knowledge of His will in all spiritual wisdom and understanding,
KJV:
For ye remember, brethren, our labour and travail: for labouring night and day, because we would not be chargeable unto any of you, we preached unto you the gospel of God.
NASB:
For you recall, brethren, our labor and hardship, how working night and day so as not to be a burden to any of you, we proclaimed to you the gospel of God.
KJV:
Night and day praying exceedingly that we might see your face, and might perfect that which is lacking in your faith?
NASB:
as we night and day keep praying most earnestly that we may see your face, and may complete what is lacking in your faith?
KJV:
For yourselves know perfectly that the day of the Lord so cometh as a thief in the night.
NASB:
For you yourselves know full well that the day of the Lord will come just like a thief in the night.