Unlike the ordinary human being, Lord Krsna clearly says that He completely knows what happened in the past, what is happening in the present, and what will happen in the future. In the Fourth Chapter we have seen that Lord Krsna remembers instructing Vivasvan, the sun-god, millions of years ago. Krsna knows every living entity because He is situated in every living being's heart as the Supreme Soul. But despite His presence in every living entity as Supersoul and His presence beyond the material sky, as the Supreme Personality of Godhead, the less intelligent cannot realize Him as the Supreme Person. Certainly the transcendental body of Sri Krsna is not perishable. He is just like the sun, and maya is like the cloud. In the material world we can see that there is the sun and that there are clouds and different stars and planets. The clouds may cover all these in the sky temporarily, but this covering is only apparent to our limited vision. The sun, moon and stars are not actually covered. Similarly, maya cannot cover the Supreme Lord. By His internal potency He is not manifest to the less intelligent class of men. As it is stated in the third verse of this chapter, out of millions and millions of men, some try to become perfect in this human form of life, and out of thousands and thousands of such perfected men, hardly one can understand what Lord Krsna is. Even if one is perfected by realization of impersonal Brahman or localized Paramatma, he cannot possibly understand the Supreme Personality of Godhead, Sri Krsna, without being in Krsna consciousness.