(Kadamba Kanana Swami, 18 March 2014, Melbourne, Australia, Srimad Bhagavatam 2.7.50)
When we speak about the eternal, in the opening verse of the Srimad Bhagavatam, we find the reference to the paraṁ satyaṁ, the Supreme Absolute Truth which is eternal but it is not clear what that Supreme Absolute Truth really is.
So Srila Prabhupada explains in the introduction of the Srimad Bhagavatam that the purpose of the Bhagavatam is to explain that the paraṁ satyaṁ is Parameśvara. Therefore, the purpose of the Bhagavatam is to describe the Parameśvara which means the Supreme Controller. Krsna is the supreme controller – a personality. The essence is to understand that there is a personality behind everything. We are seeing that the Supreme Personality of Godhead is very personally involved with everything. He expands himself and in a personal way, he is involved with the material energy.
We are never looking at the impersonal universe or an impersonal eternal manifestation. The origin of everything is the Supreme Personality of Godhead and that is the essence of the Srimad Bhagavatam, the purpose of the Srimad Bhagavatam!