This Lecture presents character as "the invisible architecture of human personality," arguing via Vivekananda and Emerson that intellect and skill lose purpose without strong moral character. It builds this through four pillars — truthfulness (Mundaka Upanishad's "Satyameva Jayate"), self-control (Bhagavad Gita 6.26), duty/Svadharma (Bhagavad Gita 3.35), and compassion/Ahimsa (Anushasan Parva) — then consolidates them into five core IKS principles: Dharma, Svādhyāya, Vinaya, Samyama, and Sevā. The conclusion frames character building as the true foundation of Indian educational philosophy, asserting that education's real aim is not success but the creation of principled, responsible human beings.