John had been shown the holy city
in Revelation 21:2, where the New Jerusalem is described as the place where God is pleased to dwell eternally with his redeemed people. Taking away from God’s Word will result in losing one’s place in God’s eternal presence. Clearly, the price of discrediting God’s Word is high!
19 and if anyone takes away from the words of the book of this prophecy, God will take away his share in the tree of life and in the holy city, which are described in this book.