What counts as real action? What counts as true inaction? This question has puzzled even learned scholars. Krishna acknowledges the difficulty openly. The topic is subtle enough to bewilder the wise — so Arjuna should not feel ashamed of his own confusion.
But the promise that follows is comforting. Krishna says: I will explain this to you in a way that, once understood, will free you from all evil. When the best teacher in the room promises to make a hard subject simple, the student can relax and listen.