This is a brief sub-gloss. For a fuller reading of this verse, see Madhusūdana, Śaṅkara, or Rāmānuja above.
A war like this, come of itself, unsought, an open door to heaven flung wide: the kṣatriyas who win such a war, O Pārtha, how are they not fortunate? Though the war is thus shown to be a duty to be done.
Contemporary English rendering of the Sanskrit bhāṣya, pending scholar review.