'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)

1633. I have also been fully informed about the nature of influx into the lives of animals - lives which, following death, all cease to exist. This subject will in the Lord's Divine mercy be taken up later on.