I have thoroughly described to you, O brāhmaṇa, the expansion of the branches of the Vedas by the great sage Vyāsadeva, his disciples and the disciples of his disciples. One who listens to this narration will increase in spiritual strength.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
ब्रह्मन्निदं समाख्यातं शाखाप्रणयनं मुनेः । शिष्यशिष्यप्रशिष्याणां ब्रह्मतेजोविवर्धनम्
brahmannidaṃ samākhyātaṃ śākhāpraṇayanaṃ muneḥ | śiṣyaśiṣyapraśiṣyāṇāṃ brahmatejovivardhanam
SB 12.7.25