Sankara's 'thousand teachings' on the distinction between the senses, mind, body, intellect, and the true Self. In translating as well as in drawing up the notes, the author has closely followed the authoritative commentary of Ramatirtha.
As soon as I think that I am a little body, I want to preserve it, to protect it, to keep it nice, at the expense of other bodies; then you and I become separate.
-Swami Vivekananda