Beowulf: The Monsters and the Critics of the hero by accepting Grendel and the dragon." In Tolkien's view, the poem is essentially about a "man at war with the hostile world, and his inevitable overthrow in Time". The underlying tragedy is man's brief mortal life. Grendel and the dragon are identified as enemies of a Christian God, unlike the monsters encountered by Odysseus on his travels. What had happened is that Northern courage, exultant, defiant in the face of inevitable defeat by "Chaos and Unreason" (Tolkien cites Ker's words), fuses with a Christian faith and outlook. The "Beowulf" poet uses both what he knew to be
Beowulf: The Monsters and the Critics work's wide influence. Tom Shippey wrote that the essay "was seized upon eagerly, even gratefully, by generations of critics". Alvin A. Lee wrote that "Tolkien's manifesto and interpretation have had more influence on readers than any other single study, even though it has been challenged on just about every one of its major points." Seth Lerer wrote that the essay "may well be the originary piece of modern "Beowulf" criticism. … The strategies … control the fundamental assumptions of Old English scholarship for the next fifty years." R.D. Fulk commented that "No one denies the historical importance of this lecture.