Nisargadatta MaharajWhat does it matter, who is who? Your high opinion of me is your opinion only. Any moment you may change it. Why attach importance to opinions, even your own?

Nisargadatta Maharaj

Advāita Makaranda
Nectar of Non-Duality, by Lakshmidhara Kavi

Reference Materials:

Video/Audio Lectures

Swami Paramarthananda
7 classes (~90 mins each)

Swami Dayananda Saraswati
33 classes (variable lengths)

Advaita Makaranda - Class #1 - 1984 Spiritual Camp - Swami Dayananda

Swamini Satyavratananda
12 classes (~55 mins each)

Swami Viditatmananda
10 classes (search for "Advaita Makaranda" on the linked page)

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