'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)

2150. 'And he saw' means when He recognized this. This is clear from the meaning in the internal sense of 'seeing' as understanding and recognizing, and also of becoming enlightened, dealt with in 1584. Nothing is more common in the Word than for 'seeing' to have such meanings Here the meaning is that He recognized the presence of perception from the Divine, as just stated.