KJV:
But the rest of the dead lived not again until the thousand years were finished. This is the first resurrection.
NASB:
The rest of the dead did not come to life until the thousand years were completed. This is the first resurrection.
KJV:
Blessed and holy is he that hath part in the first resurrection: on such the second death hath no power, but they shall be priests of God and of Christ, and shall reign with him a thousand years.
NASB:
Blessed and holy is the one who has a part in the first resurrection; over these the second death has no power, but they will be priests of God and of Christ and will reign with Him for a thousand years.