Adi Shankara was the saint who propounded the Advaita Vedanta, which speaks of the unity of Atma and Brahman. He unified the various thoughts of Indian philosophy, as He travelled across the country, conducting discourses, and taking part in debates with other philosophers, while defeating many through His arguments. Thus He established Advaita philosophy, which establishes the existence of one formless Divine Reality – Brahman, while considering the universe and its creatures to be an illusion.
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