Sūta Gosvāmī thus addressed the ṛṣis headed by Śaunaka: Now I shall begin the transcendental narration of the Lord Śrī Kṛṣṇa and topics of the birth, activities and deliverance of King Parīkṣit, the sage amongst kings, as well as topics of the renunciation of the worldly order by the sons of Pāṇḍu.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
परीक्षितोऽथ राजर्षेर्जन्मकर्मविलापनम् । संस्थां च पाण्डुपुत्राणां वक्ष्ये कृष्णकथोदयम्
parīkṣito'tha rājarṣerjanmakarmavilāpanam | saṃsthāṃ ca pāṇḍuputrāṇāṃ vakṣye kṛṣṇakathodayam
SB 1.7.12