Sūta Gosvāmī said: Mahārāja Yudhiṣṭhira, after hearing Bhīṣmadeva speak in that appealing tone, asked him, in the presence of all the great ṛṣis, about the essential principles of various religious duties.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
सूत उवाच । युधिष्ठिरस्तदाकर्ण्य शयानं शरपञ्जरे । अपृच्छद्विविधान् धर्मान् ऋषीणां चानुशृण्वताम्
sūta uvāca | yudhiṣṭhirastadākarṇya śayānaṃ śarapañjare | apṛcchadvividhān dharmān ṛṣīṇāṃ cānuśṛṇvatām
SB 1.9.25