Isha Upanishad
From The SpiritWiki
The Īsha Upanishad is a short Upanishad that provides basic commentary on the importance of cause and effect and the difference between Spiritual Ego and Bodily Ego The Īsha Upanishad also provides some guidance on proper intellectual orientation.
Upanishads
Upanishads > Aitareya Upanishad, Chandogya Upanishad, Isha Upanishad, Kena Upanishad, Mundaka Upanishad, Taittiriya Upanishad
Further Reading
Sosteric (2019). Īsha Upanishad. https://www.lightningpath.org/readings/isha-upanishad/