Abstract This paper introduces the Triadic Balance Theory (TBT) , a structural framework for analyzing, decomposing, and reconstructing domains of human cognition, ethics, and institutional design. Unlike traditional ethical theories, TBT functions as a meta-structural method that identifies three foundational motivational axes—Survival Drive, Cognitive Drive, and Relational Drive—and proposes corresponding regulatory mechanisms: Survival Imperative (MUST), Rational Discernme