Smithi rupa and purva drishta are like memory and something that has been experienced earlier. Parathra means seeing something where it is not there. The person who made a mistake about the rope appearing as a snake, seeing it a snake where there's no snake, he made a mistake because of some past experience. Even when you say it's a mistake, you can't deny that you had an experience.
Adhyasa Bhashya is Adi Shankara’s introduction to the Brahma Sutras. Swami Sarvapriyananda gives a brief overview of this commentary, over three sessions.
Reference material for this series:
- Adhyasa Bhashya in Sanskrit: https://arshavidyacenter.org/wp-content/uploads/Swamini-Svatmavidya/collateral/Adhyasa-Bhashya.pdf
- Swami Gambhirananda's translation: preamble in chapter 1, section 1 of https://a.co/d/hEj8iQr
- Translation of the lectures of Dr. Mani Dravid Sastri: https://sanskritdocuments.org/sites/snsastri/adhyasabhashya.pdf
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