This is a brief sub-gloss. For a fuller reading of this verse, see Madhusūdana, Śaṅkara, or Rāmānuja above.
Hear now from Me, best of the Bharatas, the threefold happiness, that is, fix your mind on it. The happiness in which, by practice, by long familiarity, by repetition, a man comes to rejoice, finds delight, and surely reaches the end of pain, the ceasing and quieting of pain.
Contemporary English rendering of the Sanskrit bhāṣya, pending scholar review.