Upanishads: treatises hinduism
Upanishads: upanishad are treatises by various Spiritual Gurus who having Realized-God ... Summarized their experiences. They tried to teach the Esoteric knowledge in ways ... Easy for the common man to understand ... Consisting of lots of examples and comparisons!
Most Upanishads deal with different topics ... Some with relationship of Atman soul with Brahman (the Omnipotent Creator of the Cosmos), other with relationship between different beings ... Be it a plant, animal or a Human Life!! Some impart Teachings on how to maintain a balance between Spiritual and physical Manifested Life ... a vast field of resources for one and all.