The answer is: Ecclesiastes

Ecc 3:8

Ecclesiastes, often viewed as a profound meditation on the rhythms of life, provides insight into the complex nature of human existence. The verse in question, from chapter 3, highlights a dichotomy that many, including great thinkers and leaders throughout history, have grappled with: the cycles of war and peace.

What's interesting here is not just the fulfillment of the verse in personal experiences but the broader context of Ecclesiastes itself. Traditionally attributed to King Solomon, this book takes on a reflective tone, weighing the value of human endeavor against the permanence of nature and divine timing. In this frame, moments of conflict can appear urgent but ultimately must yield to moments of harmony as life ebbs and flows like the changing seasons.

Trivia time! Did you know that the Book of Ecclesiastes is renowned for its poetic structure? The "To everything, there is a season" section resonates deeply because it aligns with various cultural expressions—from literature to music. In popular culture, this passage has inspired work like “Turn! Turn! Turn!” by the Byrds which captures its essence and gives it a fresh twist.

So, whether we lean toward understanding the heart of humanity's anxieties through the words of Ecclesiastes or the rhythms of our own life, we’re reminded that both war and peace are parts of the vast tapestry of existence—a beautiful, chaotic, and sometimes, bittersweet adventure.