Blessed disciple liberated (verses 576-578): & The glory of the text-book (verses 579-581) :

Swami Adi Sankaracharya 576. Considering you to be a seeker after liberation, void of the taints of this Dark Age, with a mind free from desires, I have today revealed to you, again and again, as I would to my own son, the supreme and profound secret, the inmost essence of Vedanta, the crown of all Vedas. 577. Hearing the words of the Teacher, the disciple prostrated to him with reverence, and obtaining his permission, went his way, freed from bondage. 578. And the Teacher, his mind immersed in the ocean of eternal Bliss, forever wandered about, verily blessing the whole world. 579. Thus, by means of a dialogue between the Teacher and the disciple, the true nature of the Self (Atman) has been indicated for the easy comprehension of seekers after liberation. 580. May the seekers after liberation app...