Why was he worthy in Revelation 5:9?
Therefore, in Revelation 5:9, He was worthy because redemption to God was accomplished by His blood alone. That redemption is not with silver and gold, but with the precious blood of Christ as a lamb without blemish and without spot.
Les teaches that Revelation 5:9 gives the reason for His worthiness: because we have been redeemed to God by His blood. He connects this to the earlier contrast that redemption is not with silver and gold, but with the precious blood of Christ as a lamb without blemish and without spot. So the worthiness is grounded in His redeeming blood, not in earthly payment.
And they sung a new song, saying, Thou art worthy to take the book, and to open the seals thereof: for thou wast slain, and hast redeemed us to God by thy blood out of every kindred, and tongue, and people, and nation;