Nisargadatta MaharajAfter all, the sense ‘I am’ is always with you, only you have attached all kinds of things to it – body, feelings, thoughts, ideas, possessions, etc. All these self-identifications are misleading. Because of them you take yourself to be what you are not.

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)