CC Madhya 25.102
catuḥ-ślokīte prakaṭa tāra kariyāche lakṣaṇa
bhāgavatera — of Śrīmad-Bhāgavatam; sambandha — a personal relationship with God; abhidheya — activities in that relationship; prayojana — the ultimate goal of life; catuḥ-ślokīte — in the four famous verses of Śrīmad-Bhāgavatam; prakaṭa — manifesting; tāra — of them; kariyāche — has done; lakṣaṇa — the symptoms.
“The essence of Śrīmad-Bhāgavatam — our relationship with the Supreme Lord, our activities in that connection and the goal of life — is manifest in the four verses of Śrīmad-Bhāgavatam known as the catuḥ-ślokī. Everything is explained in those verses.