Similarly this body is one identity and I am another identity. So knowledge means when we can understand that it is "my body," not "I body." Not this nonsense. Nobody says, "I body." Everyone says "my body." This is knowledge. But these rascals, these rascals of modern age, they are saying "I body." "I am this body." What you are? "I am this body." What is your interest? "Now anything which is interested with my body." He's not "I body," still he's interested with everything with this bodily relation. There are thousands of girls, women, but a particular woman with whom I have got my bodily relation, that is my wife. That is mine. And combination, the child comes out, "my child." In this way, "my house," "my property," "my body," "my relative," "my friend," "my brother," "my nation," my, my, my, my. But the rascal does not understand that the beginning of "my" philosophy has begun from this body, which I am not.
This is knowledge. This is called brahma-jñāna. If anyone understands the simple thing, that "I am not this body..." But education is given, "No, I am this body." This nationalism, this nationalism also the same mistake, but they are fighting so much. Great, great, big, big men. In this country, Napoleon fought. In Germany, Hitler fought. And so many others, in our country Gandhi fought. But he is in ignorance. All these big big leaders, they are ignorance, andha, blind. Blind. They do not know that he is not this body and neither this land belongs to him. But they fight. The whole history of the world means this mistaken idea. "I" and "mine."
Therefore Kṛṣṇa says, yat taj jñānam. Kṣetra-kṣetrajñayor yat taj-jñānaṁ mataṁ mama. Kṛṣṇa is giving, that one should know what he is and one should know what is his body, then he is in knowledge. The matter cannot understand this. The dogs, cats, cannot understand this. But a human being can understand this. Bhagavad-gītā is meant for the human being, not for the cats and dogs. Therefore, the human society should take care of this knowledge. Then his life will be successful.