In the New Testament and some verses in the Old Testament, we run into something known as the “Book of Life” several times.
Below are a few references and a sentence or two about what the verses teach us about the Book of Life.
The Book of Life in the Bible
"Charge them with crime upon crime; do not let them share in your salvation. May they be blotted out of the book of life and not be listed with the righteous."
Psalms 69:27-28: The psalmist prays that the wicked will be “blotted out of the book of life.” Matthew Henry commented on these verses: “God shuts not out any from that righteousness; the gospel excludes none who do not, by unbelief, shut themselves out. But those who are proud and self-willed, so they will not come into God's righteousness, shall have their doom accordingly; they decide it.
"At that time Michael, the great prince who protects your people, will arise. There will be a time of distress such as has not happened from the beginning of nations until then. But at that time your people—everyone whose name is found written in the book—will be delivered."
Daniel 12:1: When describing a time of great distress, likely the End Times, Daniel mentions everyone who has their name in “the book . . . will be rescued.” The book here likely means the same Book of Life.
"However, do not rejoice that the spirits submit to you, but rejoice that your names are written in heaven.”
Luke 10:20: This verse speaks about names recorded in heaven. Although not using the explicit term “Book of Life,” it’s implied.
"Yes, and I ask you, my true companion, help these women since they have contended at my side in the cause of the gospel, along with Clement and the rest of my co-workers, whose names are in the book of life."
Philippians 4:3: Paul mentions that fellow workers who have shared the Gospel with him will have their names in the Book of Life.
"The one who is victorious will, like them, be dressed in white. I will never blot out the name of that person from the book of life, but will acknowledge that name before my Father and his angels."
Revelation 3:5: Jesus Christ knows each name in the Book of Life, a book of remembrance, as Mathew Henry said. And Christ will not erase the names of those whose faith is in him.
"Anyone whose name was not found written in the book of life was thrown into the lake of fire."
Revelation 20:15: Anyone who does not have their name in the book of life during the End Days will end up in the lake of fire.
In essence, the Book of Life serves as a testament to those saved who will enjoy eternity with the Lord.
Although some theologians theorize as to whether the names were chosen ahead of time (election) or whether those whose names had been in the Book of Life can be blotted out (branches of Christianity that believe you can lose your salvation), at the end of days, Christians will want their names in the Book of Life.
It’s worth sharing John Piper’s statement on the idea that Revelation 3:5 suggests God does erase some names from the Book of Life.
“The promise [Revelation 3:5]: ‘I will not erase his name from the book of life’ does not necessarily imply that some do have their names erased. It simply says, to the one who is in the book, and who conquers in faith: I will never wipe your name out. In other words, being erased is a fearful prospect, which I will not allow to happen to those who persevere.”
Recommended
What is the Lamb’s Book of Life in Revelation?
The Book of Life is also known as the Lamb’s Book of Life, which we see mentioned explicitly in these verses:
Revelation 13:8: Anyone who does not have their name written in the Lamb’s Book of Life will worship the Beast (the antichrist) in the End Days.
Revelation 21:27: Nothing impure shall enter heaven, only those who have their names written in the Lamb’s Book of Life. Essentially, through our salvation in Christ, he makes us pure and able to pass through the gates of heaven.
"Revelation 20:15 declares, “If anyone’s name was not found written in the book of life, he was thrown into the lake of fire.” The Book of Life, in this context, is the set of names of those who will live with God forever in heaven. It is the scroll of those who are saved. This Book of Life is also mentioned in Revelation 3:5, 20:12; and Philippians 4:3. The same book is also called the Lamb’s Book of Life because it contains the names of those who have been redeemed by the blood of the Lord Jesus (Revelation 13:8; 21:27)." ~ Excerpt from GotQuestions
Aside from appearing exclusively in Revelation, there is no difference between the Book of Life and the Lamb’s Book of Life. Unblotted names found in both guarantee salvation in Heaven.
Granted, maybe Revelation emphasizes the Lamb part of the book’s title more because Lamb imagery serves an essential role throughout the book, such as in Revelation 5. In this chapter, the Lamb, Who looks like He has been slain, opens a scroll no one else can, setting off a chain of events to enact the End of Days.
Why Does This Matter?
Understanding the “Book of Life” and “Lamb’s Book of Life” as the same book, we should focus on the importance of having our names in it.
Whether we believe in an election—those who will end up in the Book of Life have already been chosen—or edge more toward the Arminian view of free will, we cannot know all of whose names will end up in this Book.
We do know, however, that:
1. We want our name in the Book of Life. The only way to have it there (or unblotted) is by placing our trust in Jesus Christ as our Lord and Savior. No other salvation exists except through Him (Acts 4:12).
2. We have a calling to share this knowledge with as many people as possible as it says in Acts 1:8, God calls us to share the good news of Jesus Christ in our hometowns (Jerusalem), neighboring towns and regions (Judea), towns of our enemies or stranger towns (Samaria), and to the ends of the earth (everywhere else). We have no excuse not to share this message.
3. Be vigilant for the Beast’s persuasive sway. When the antichrist comes onto the scene if he has not already, anyone who does not have their name in the Book of Life will worship him. We need to keep a watchful eye for the Beast’s appearance.
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