Mahārāja Parīkṣit was hearing Śrīmad-Bhāgavatam from Śukadeva Gosvāmī. This Śrīmad-Bhāgavatam is the summit of all knowledge. Vidyā bhāgavatāvadhiḥ. Amongst the Vedic scholars, the topmost knowledge means to understand Śrīmad-Bhāgavatam. Everything is there.
(aside) This . . . (indistinct) . . . noise should be stopped.
So in all subject matter—physics, chemistry, astronomy, religion, politics, sociology—everything has been fully described, and above all, the science of God is also described. Therefore it is called Bhāgavatam. Bhāgavatam, the word is derived from bhagavān, bhāgavatam. Bhagavān is the first nominative case from the word bhāgavata, and from bhāgavata, Bhāgavatam. Bhāgavatam means in relationship with God and in relationship with the devotees of God. So śrīmad-bhāgavataṁ amalaṁ purāṇam (SB 12.13.18).
So this Kṛṣṇa consciousness movement means we are preaching the cult of Bhāgavatam. It is a scientific method. So there were many discussions, and in the Fifth Canto of Śrīmad-Bhāgavatam there is a chronological description of people suffering due to different kinds of sinful activities. Unfortunately, at the present moment people are unaware. They are kept in darkness. Therefore each and every sinful activity, there is punishment. They do not believe in the next life, but they can see practically in this life that if you violate a little laws of nature, you'll be punished immediately. Immediately punished.