Many evil things there are that your strong walls and bright swords do not stay.

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.” He placed 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. 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. The greatest threats to a people transcend the physical realm entirely. This moment represents a turning point in the narrative. The characters must confront enemies that combat alone cannot defeat.

Origins of This Powerful Medieval Warning

John Ronald Reuel Tolkien was born on January 3, 1892, in Bloemfontein, South Africa. 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. He developed a deep love of nature, medieval literature, and linguistic construction.

Tolkien’s father died when he was merely three years old. His mother raised him and his brother in relative poverty. This circumstance instilled in him both resilience and a romantic attachment to the virtues of noble struggle. He excelled academically, particularly in languages. He eventually became fluent in approximately a dozen languages and created several entirely fictional ones, including Elvish. He 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. Rather, they were 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. This experience would haunt him throughout his life. After studying at Oxford, he briefly worked on the Oxford English Dictionary. He 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. He served in the trenches of the Somme. There he experienced firsthand the mechanized horror of modern warfare. He contracted trench fever and returned home in 1916. The psychological and spiritual wounds of that experience never fully healed. Colleagues remarked that Tolkien rarely spoke about his war service. Yet the trauma seeped into his consciousness and shaped his artistic sensibilities. This lent an authentic gravity to his depictions of battle and loss in “The Lord of the Rings.”

Many evil things there are that your strong walls and bright swords do not stay

He returned to academic life. He eventually secured a prestigious fellowship at Pembroke College, Oxford. Later he became a professor. During evenings and weekends, he quietly worked on his legendarium—a project he had begun years earlier and would continue until his death.

Most readers and casual admirers of Tolkien don’t realize he was a devout Catholic. His 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. This 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. 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. He saw this literary device as a kind of gospel truth expressed through story.

How This Quote Still Resonates Today

Few people know that Tolkien was also a staunch conservative in many respects. He was skeptical of industrialization and progress. He was suspicious of modern ideologies. He fiercely protected 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 he was 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. He reflected on the nature of genuine threat and the limitations of purely material defenses. In the specific narrative moment, Aragorn speaks to warriors who understand combat and fortification. Yet they 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 shaped the conflict. The “bright swords” of his era proved devastatingly effective at killing. Yet they proved utterly powerless to prevent the war’s continuation. They could not address the spiritual malaise that drove men to such slaughter. The quote thus functions as a sophisticated warning. It warns 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 an important truth. The Ring itself—the ultimate weapon and the ultimate temptation—cannot be destroyed by force. Only sacrifice and spiritual transformation can destroy it.