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.
KJV:
But ye, brethren, are not in darkness, that that day should overtake you as a thief.
NASB:
But you, brethren, are not in darkness, that the day would overtake you like a thief;
KJV:
But let none of you suffer as a murderer, or as a thief, or as an evildoer, or as a busybody in other men's matters.
NASB:
Make sure that none of you suffers as a murderer, or thief, or evildoer, or a troublesome meddler;
KJV:
But the day of the Lord will come as a thief in the night; in the which the heavens shall pass away with a great noise, and the elements shall melt with fervent heat, the earth also and the works that are therein shall be burned up.
NASB:
But the day of the Lord will come like a thief, in which the heavens will pass away with a roar and the elements will be destroyed with intense heat, and the earth and its works will be burned up.
KJV:
Remember therefore how thou hast received and heard, and hold fast, and repent. If therefore thou shalt not watch, I will come on thee as a thief, and thou shalt not know what hour I will come upon thee.
NASB:
So remember what you have received and heard; and keep it, and repent. Therefore if you do not wake up, I will come like a thief, and you will not know at what hour I will come to you.
KJV:
Behold, I come as a thief. Blessed is he that watcheth, and keepeth his garments, lest he walk naked, and they see his shame.
NASB:
("Behold, I am coming like a thief. Blessed is the one who stays awake and keeps his clothes, so that he will not walk about naked and men will not see his shame.")