What does it mean that our names are written in the Lamb's Book of Life?

The concept of names being written in the Lamb's Book of Life represents the assurance of salvation and the identity of believers as part of God's elect. In Revelation 20:15, it is stated that anyone not found in the book of life is cast into the lake of fire, underscoring its significance for eternal life. Psalm 87 reflects this idea, stating, 'The Lord shall count when he writeth up the people, that this man was born there.' This indicates that those who have been spiritually reborn have their names inscribed in the heavenly record, assuring them of their place in God's kingdom. From the foundation of the world, as referenced in Revelation 13:8, the names of God's chosen people have been eternally secured.