sidered the most important: Isa, Kena, Katha, Prasna, Mundaka, Mandukya, Taittiriya, Aitareya, Chandogya, Brhada-aranyaka, and Svetasvatara (Nanda-nanadana 26).
The Upanishads also talk about the Paramatma or Supersoul realization. This is particularly true in the Katha, Mundaka, and the Svetasvatara Upanishads where statements can be found explaining that within the heart of every individual in every species of life can be found both the individual soul and the Supersoul. They are described as like two birds sitting in the same tree. The personal soul, or the atma, is engrossed in using the body to taste the fruits of various activities which result in pleasures and pain, while the Supersoul witnesses the act
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