Ramana MaharshiWhatever thought may rise, not to let it live or grow, but to destroy it then and there, without the least slackness, by merging it back into its Source, is powerful and intense Vairagya [detachment].

Ramana Maharshi

Ātma Bodha
Self-Knowledge, by Śaṅkarāchārya

Reference Materials:

Video/Audio Lectures

Swami Paramarthananda
32 classes (~30 mins each)

Swami Anubhavananda
6 classes (~75 mins each)

Atmabodha of Shankaracharya 2 of 6 @ Coimbatore 2016 (English)20161211 070552 NR YT

Swami Shantananda
15 classes (~60 mins each)

Swami Sarveshananda
17 classes (~60 - 90 mins each)

Swami Ishwarananda
5 classes (~65 mins each)

Atma Bodha - Part 2

Swami Tattvavidananda
7 classes (search for "Atmabodha" on the linked page)