Later in life, he called his death experience akrama mukti, "sudden liberation", as opposed to the krama mukti, "gradual liberation" as in the Vedanta path of jnana yoga:[REF] 'Some people,' he said, 'start off by studying literature in their youth.
According to David Frawley, "atma-vichara" is the most important practice in the Advaita Vedanta tradition, predating its popularisation by Ramana Maharshi [REF].