Mahārāja Parīkṣit is not satisfied with only material knowledge. He is inquisitive about the character and activities of the great souls, the devotees of the Lord. The glories of the Lord and the glories of His devotees, combined together, comprise the complete knowledge of Śrīmad-Bhāgavatam. Lord Kṛṣṇa showed His mother the complete universal creation within His mouth, while she, completely charmed by her son, wanted to look inside the mouth of the Lord just to see how much earth the child had eaten. By the grace of the Lord the devotees are able to see everything in the universe within the mouth of the Lord.
The very idea of the scientific divisions of four classes of human society and four orders of life is also inquired about herewith on the basis of individual personal quality. The four divisions are exactly like the four divisions of one's personal body. The parts and parcels of the body are nondifferent from the body, but by themselves they are only parts. That is the significance of the whole scientific system of four castes and four social orders. The value of such scientific divisions of human society can be ascertained only in terms of the proportionate development of devotional service to the Lord. Any person employed in government service, including the president, is a part and parcel of the entire government. Everyone is a government servant, but no one is the government himself. That is the position of all living entities in the government of the Supreme Lord. No one can artificially claim the supreme position of the Lord, but everyone is meant to serve the purpose of the supreme whole.