Bādarāyaṇa
Template:Use dmy dates Template:Hinduism Badarayana (IAST Bādarāyaṇa; Devanāgari बादरायण) was an Indian philosopher and sage who was the reputed author of the Brahma Sutras. The Brahma Sutras is a source text for the Hindu philosophical school of Vedānta and one of three texts along with the Upanishads and Bhagavad Gita which establish the Prasthanatrayi. Estimates of his lifetime vary very widely from around fifth century BCE to third or fourth century CE.<ref>Template:Cite book</ref><ref>Template:Cite book</ref><ref>Template:Citation</ref><ref>Template:Cite book</ref>
His work Brahma Sutras is variously dated from 500 BCE to 450 CE.<ref>Template:Cite book</ref> The Brahma Sutras of Bādarāyana, also called the Vedanta Sutra,Template:Sfn was compiled in its present form around 400–450 CE,Template:Sfn but "the great part of the Sutra must have been in existence much earlier than that".Template:Sfn
Bādarāyana is regarded as having written the basic text of the Vedanta system, the Vedāntasūtra a.k.a. Brahmasūtra.<ref>Template:Cite book</ref> He is thus considered the founder of the Vedānta<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> system of philosophy.