The Power and Peril of What Cannot Be Fought: Tolkien’s Wisdom on Invisible Threats
J.R.R. Tolkien penned this haunting line in “The Two Towers,” his second volume of “The Lord of the Rings,” placing it in the mouth of Aragorn as he addresses the men of Rohan during one of the darkest moments of the War of the Ring. Specifically, Aragorn speaks these words to Théoden, the King of Rohan, and his warriors as they prepare for what many believe will be their final stand at Pelennor Fields. The context is crucial to understanding the quote’s weight: the forces of good are scattered and dwindling, Sauron’s armies seem unstoppable, and the realm’s traditional defenses—those strong walls and bright swords—appear inadequate against the mounting darkness. Aragorn, the ranger king who has spent his life in shadows and exile, understands something that those born to kingdoms and castles often do not: that the greatest threats to a people transcend the physical realm entirely. This moment represents a turning point in the narrative where the characters must confront enemies that cannot be defeated through valor in combat alone.
John Ronald Reuel Tolkien was born on January 3, 1892, in Bloemfontein, South Africa, though his family relocated to England when he was three years old. His childhood in the English Midlands, particularly in the industrial town of Birmingham, profoundly shaped his later work, as he developed a deep love of nature, medieval literature, and linguistic construction. Tolkien’s father died when he was merely three years old, leaving his mother to raise him and his brother in relative poverty, a circumstance that instilled in him both resilience and a romantic attachment to the virtues of noble struggle. He excelled academically, particularly in languages—he would eventually become fluent in approximately a dozen languages and create several entirely fictional ones, including Elvish—and studied at Exeter College, Oxford, where he immersed himself in Old English, Middle English, Old Norse, and Finnish texts. These linguistic pursuits were not mere academic exercises but rather passionate explorations that fueled his imagination and informed his later creative work.
Before Tolkien became a literary titan, his early career was marked by scholarly work and a devastating personal experience that would haunt him throughout his life. After studying at Oxford, he briefly worked on the Oxford English Dictionary and later took positions as an assistant lecturer in English literature at various universities. More significantly, during the First World War, Tolkien enlisted in the Lancashire Fusiliers and served in the trenches of the Somme, where he experienced firsthand the mechanized horror of modern warfare. He contracted trench fever and was invalided home in 1916, but the psychological and spiritual wounds of that experience never fully healed. Colleagues remarked that Tolkien rarely spoke about his war service, but the trauma seeped into his consciousness and shaped his artistic sensibilities, lending an authentic gravity to his depictions of battle and loss in “The Lord of the Rings.” He returned to academic life, eventually securing a prestigious fellowship at Pembroke College, Oxford, and later a professorship, while quietly working on his legendarium during evenings and weekends—a project he had begun years earlier and would continue until his death.
What most readers and casual admirers of Tolkien don’t realize is that he was a devout Catholic whose faith deeply informed his entire body of work, often in subtle and sophisticated ways. His conversion to Catholicism in 1922 came after a spiritual crisis and represented a decisive break from his Church of England upbringing. This religious conviction wasn’t expressed through obvious preaching in his fiction; rather, it manifested through themes of sacrifice, redemption, providence, and the ultimate triumph of good over evil. Tolkien believed that the creative act itself was a sacred responsibility, and he viewed his own fiction-writing as a form of “eucatastrophe,” a term he invented to describe the sudden happy turn that denies universal final defeat—a literary device he saw as a kind of gospel truth expressed through story. Few people know that Tolkien was also a staunch conservative in many respects, skeptical of industrialization and progress, suspicious of modern ideologies, and fiercely protective of the imaginative realm from what he saw as the encroachments of materialist thinking. His letters reveal a man of strong opinions, sometimes intemperate in his judgments, yet fundamentally driven by a vision of beauty and meaning that transcended political or social calculation.
The quote about evil things that strong walls and bright swords cannot stay emerges from Tolkien’s meditative philosophy about the nature of genuine threat and the limitations of purely material defenses. In the specific narrative moment, Aragorn is speaking to warriors who understand combat and fortification but who must now confront enemies that include despair, betrayal, corruption, and the slow erosion of hope itself. Tolkien had witnessed in the Great War how technology and engineering—the “bright swords” of his era—had proven devastatingly effective at killing but utterly powerless to prevent the war’s continuation or to address the spiritual malaise that drove men to such slaughter. The quote thus functions as a sophisticated warning about the inadequacy of technological or military solutions to problems that are fundamentally spiritual or psychological in nature. Throughout the narrative of “The Lord of the Rings,” characters discover that the Ring itself—the ultimate weapon and the ultimate temptation—cannot be destroyed by force but only