Not even the end of the world can change the materialist mind

For let us make no mistake. If the end of the world appeared in all the literal trappings of the Apocalypse,* if the modern materialist saw with his own eyes the heavens rolled up* and the great white throne appearing,* if he had the sensation of being himself hurled into the Lake of Fire,* he would continue forever, in that lake itself, to regard his experience as an illusion and to find the explanation of it in, psycho-analysis, or cerebral pathology. Experience by itself proves nothing.

(*references: Revelation 6:14; 20:11, 19:20; 20:10; 20:14-15; 21:8)
C.S. Lewis, "Miracles," God in the Dock (Eerdmans: 1970) 25-26.