A non-dualist master living in India in the 1950s or 60s Atman and the Krishna Menon made a perceptive comment about Samadhi. He said when the mind by whatsoever means is turned towards the self, the mind loses the characteristics of mind and remains as the self this is called Samadhi beautifully said it clarifies lot of problems. When the mind becomes free of thoughts Tiptavittini rhodha and remains shining in the light of the self so I'm going to compare it to a lake without any ripples the water of the lake is very clear crystal clear water first condition mind must be pure second condition the water ofthe lake must be free