'The first resurrection,' mentioned in Revelation 20:5, 6, does not mean a first resurrection, but the essence and primary part of resurrection, which is salvation and eternal life. There is only one resurrection to life. A second does not happen, and is not mentioned anywhere in the Bible.

(References: Apocalypse Explained 6; Apocalypse Revealed 851; Revelation 20:5-6)

In 1 Kings 9:26; 22:48, this signifies the outermosts of the church, which are memory-knowledges, and knowledges of truth and good. (Apocalypse Explained 514[7])