He dismissed Arjun’s lamentation that he would rather take refuge in the forest than decimate his people, sending scores of women into widowhood with further devastating consequences.
Krishn reminded Arjun that as a warrior, his duty was to fight the righteous war, and since he would do so under Krishn’s bidding, he would not have to bear the taint of consequences. Krishn advised Arjun to give up the ego that brings attachment towards objects and people.
He displayed his frightening Virat form, where Arjun saw all enemies in the battlefield being devoured by Krishn. Arjun realised he was only an instrument, and it behoved him to fight in the Mahabharat and trust Krishn’s magnificence. One should perform one’s prescribed duties, trust the Divine, and understand that whatever follows is for the best.