"My dear Arjuna, the reason, the mission for which I appear is now explained, that I come here to establish the real constitutional position of the living entity. That is My mission. Now, when I come with some mission there are some activities. There are some activities." So there are some philosophers. They do not agree to accept that God comes as incarnation. They do not believe in this theory. They say that "Why God shall come to this rotten world?" That is their vision.
But here, from the Bhagavad-gītā, we understand that God comes. We shall always remember that we are reading Bhagavad-gītā, and whatever is spoken in the Bhagavad-gītā, we have to, at least, we have to accept that. Otherwise, there is no question of reading this Bhagavad-gītā. Here the Lord says that "I am, I am present here as incarnation, and this is My mission." And as He comes with a mission, there are some activities.