The Guhyagarbha Tantra is the supreme Mahāyoga scripture in Nyingma Vajrayāna, known as the King of Old Translation Tantras. It reveals the ultimate non-duality of appearances and emptiness, saṃsāra and nirvāṇa—essential teachings for realizing the Great Perfection view. Mipham Rinpoche's Essence of Clear Light is the most authoritative commentary on this tantra. With exceptional wisdom and clear structure, he systematically presents the foundation, path, and fruition of secret mantra, explaining the eleven tantric topics: view, meditation, conduct, maṇḍala, empowerment, samaya, practice, offerings, activities, mudrās, and mantras. Khenpo Sodargye studied under His Holiness Jigme Phuntsok Rinpoche for over thirty years. In these teachings, he explains the text line by line, using relatable examples to illuminate profound concepts like "primordial purity," helping students unite theory with practice.