Learn from me, only in brief, O son of Kunti! how one who has obtained perfection attains the Brahman, which is the highest culmination of knowledge. A man possessed of a pure understanding, controlling his self by courage, discarding sound and other objects of sense, casting off affection and aversion; who frequents clean places, who eats little, whose speech, body, and mind are restrained, who is always intent on meditation and mental abstraction, and has recourse to unconcern,