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https://sriaurobindostudies.wordpress.com/2019/07/03/a-supreme-sense-behind-the-senses-part-2-vibration-and-the-fivefold-operation-of-conscious-force-in-manifestation/
A Supreme Sense Behind the Senses, Part 2: Vibration and the Fivefold Operation of Conscious-Force in Manifestation