Summary: The Upanishads, with their profound insights and philosophical depth, reveal the universal nature of God, Brahman, as the central and highest truth essential for Vedanta. They present a harmonious and luminous whole expressing the single and universal Truth underpinning all religions. Through the symbolism and allegories in texts like the Ishavasyopanishad, the Upanishads guide seekers towards understanding the divine Will and the unity of consciousness, emphasizing the importance of knowledge and action in alignment with the true self. The divine Will, embodied by Agni, represents the force of Consciousness working in the world, leading individuals towards Immortality through surrender and alignment with the universal divine principles. The Upanishads elucidate the interplay of Will and Knowledge, urging individuals to transcend egoism and align with the divine Will to attain true knowledge and action, ultimately leading to the realization of the immortal Self.