'Written in the Book' in the Bible

The Beast that you saw was, but is not, and is about to rise out of the bottomless pit, and is on its way to destruction. Those who are living on earth will be amazed--those whose names have not been written in the Book of Life from the foundation of the world--when they see that the Beast was, but is not, and yet will come.'

And I saw the dead, high and low, standing before the throne; and books were opened. Then another book was opened, the Book of Life; and the dead were judged, according to their actions, by what was written in the books.

and all whose names 'were not found written in the Book of Life' were hurled into the lake of fire.