Brihadaranyaka Upanishad by Abbot George Burke (Swami Nirmalananda Giri)

In the beginning this (world) was only the Self [Atman], in the shape of a person. Looking around he saw nothing else than the Self. He first said, I am Soham [I am That]. (1.4.1) Soham is the “first speaking” of the Absolute Itself: the expression of the knowledge and knowing of the Self. Soham is the Name (Embodiment) of the Primeval Being, the Self of the Universe and the Self of our Selfs. Soham is the Consciousness of Brahman and of the Self of each one of us. We, too, are Soham