Krishna: "I am your reality, I am the reality of this universe also" He says Brahman has appeared as the universe so it's the universe now. And at the end of the universe, it will be Brahman again - but right now we have to say that this... Krishna is denying this. The beginning, I was. In the end, I will be. But in the middle, I'm the same one who I am.
Swami Sarvapriyananda teaches Chapter 10 Verses 16-22 of the Bhagavad Gita. In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).