Mandukya Upanishad — PocketPage

Aum Is All This Four Quarters of the Self Vaishvanara, the Waking Self Taijasa, the Dreaming Self Prajna, the Deep-Sleep Self The Source of All Beings Turiya, the Fourth State The Self and Aum's Sounds A: The Sound of Waking U: The Sound of Dreaming M: The Sound of Deep Sleep The Soundless Fourth