Abstract
This article argues that harmony, truth, and language share a common structural basis. Harmony is defined as a condition in which relations align into stable proportion and persist through variation. Truth is identified with this persistence, understood as the endurance of a pattern under repeated contact and reinterpretation. Language is examined as a system capable of realizing the same condition by organizing words into mutually reinforcing relations. When linguistic structures achieve coherence, meaning stabilizes and truth becomes visible through language. This framing treats truth as a property of relational stability rather than correspondence alone and explains why certain statements retain clarity across time, context, and restatement. The account applies across domains and offers a unified structural view of harmony, meaning, and truth.