(Prabhupada's lecture - Śrīmad-Bhāgavatam 2.1.1 - Vrindavan, March 16, 1974)
So we must be very serious to understand Bhāgavatam. If we can understand even one line, one verse, our life becomes sublime. It is so nice. There is no comparison of this literature, Śrīmad-Bhāgavatam. That we are actually finding in the Western countries, how nicely they are receiving these granthas. We have translated into English, and they're enjoying. Actually that is the fact. Nityaṁ bhāgavata-sevayā [SB 1.2.18].
Now, our problem, what is this problem? Problem is that we have got so many dirty things within the heart. The first dirty thing is that "I am this body." "I am Indian," "I am Englishman," "I am American," "I am brāhmaṇa," "I am kṣatriya," "I am śūdra," "I am fat," "I am thin," "I am black and white..." These conceptions, these are all dirty things. "I am not this body," that is real knowledge. Therefore Śrī Kṛṣṇa Caitanya Mahāprabhu said, ceto-darpaṇa-mārjanam [Cc. Antya 20.12], to cleanse the dirty things from the heart, that is my first business. And what is that dirty things? To identity myself with this body. That is the dirty things. The whole world is in distressed condition on account of this dirty thing, that "I am this body." This is the conception of the ass.