KJV:
I am he that liveth, and was dead; and, behold, I am alive for evermore, Amen; and have the keys of hell and of death.
NASB:
and the living One; and I was dead, and behold, I am alive forevermore, and I have the keys of death and of Hades.
KJV:
Fear none of those things which thou shalt suffer: behold, the devil shall cast some of you into prison, that ye may be tried; and ye shall have tribulation ten days: be thou faithful unto death, and I will give thee a crown of life.
NASB:
'Do not fear what you are about to suffer. Behold, the devil is about to cast some of you into prison, so that you will be tested, and you will have tribulation for ten days. Be faithful until death, and I will give you the crown of life.
KJV:
He that hath an ear, let him hear what the Spirit saith unto the churches; He that overcometh shall not be hurt of the second death.
NASB:
'He who has an ear, let him hear what the Spirit says to the churches. He who overcomes will not be hurt by the second death.'
KJV:
And I will kill her children with death; and all the churches shall know that I am he which searcheth the reins and hearts: and I will give unto every one of you according to your works.
NASB:
'And I will kill her children with pestilence, and all the churches will know that I am He who searches the minds and hearts; and I will give to each one of you according to your deeds.
KJV:
And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him. And power was given unto them over the fourth part of the earth, to kill with sword, and with hunger, and with death, and with the beasts of the earth.
NASB:
I looked, and behold, an ashen horse; and he who sat on it had the name Death; and Hades was following with him. Authority was given to them over a fourth of the earth, to kill with sword and with famine and with pestilence and by the wild beasts of the earth.
KJV:
And in those days shall men seek death, and shall not find it; and shall desire to die, and death shall flee from them.
NASB:
And in those days men will seek death and will not find it; they will long to die, and death flees from them.
KJV:
And they overcame him by the blood of the Lamb, and by the word of their testimony; and they loved not their lives unto the death.
NASB:
"And they overcame him because of the blood of the Lamb and because of the word of their testimony, and they did not love their life even when faced with death.