This is a brief sub-gloss. For a fuller reading of this verse, see Madhusūdana, Śaṅkara, or Rāmānuja above.
For Me, O Pārtha, there is nothing to be done in the three worlds whatever, nothing at all. Why? Because there is nothing unattained, nothing not yet reached, that I have to attain. And yet I do engage in action.
Contemporary English rendering of the Sanskrit bhāṣya, pending scholar review.