Revelation 3:5
As for the conqueror, he shall be clothed in white apparel; and I will not blot out his name from the book of life; but I will confess his name before my Father, and before his angels.
Revelation 13:8
And all the inhabitants of the earth shall worship it, whose names are not written in the book of life of the Lamb, that was slain from the beginning of the world.
Revelation 17:8
The beast which you saw, was, and is not; and he will ascend out of the bottomless pit, and go to destruction; and the inhabitants of the earth (whose names are not written in the book of life, from the foundation of the world) shall wonder, seeing the beast who was, and is not, yet shall be.
Revelation 20:12
And I saw the dead, small and great, standing before God; and the books were opened: and another book was opened, which is the book of life; and the dead were judged out of the things written in the books, according to their works.
Revelation 20:15
And if any one was not found written in the book of life, he was cast into the lake of fire.
Revelation 21:27
And nothing unclean shall enter into it, nor anything which practices abomination and falsehood; but only those who are written in the Lamb's book of life.