SB 12.7.25

brahmann idaṁ samākhyātaṁ
 śākhā-praṇayanaṁ muneḥ
śiṣya-śiṣya-praśiṣyāṇāṁ
 brahma-tejo-vivardhanam
Synonyms: 
brahman — O brāhmaṇa; idam — this; samākhyātam — thoroughly described; śākhā-praṇayanam — the expansion of the branches; muneḥ — of the sage (Śrīla Vyāsadeva); śiṣya — of the disciples; śiṣya-praśiṣyāṇām — and the subsequent disciples of his disciples; brahma-tejaḥ — spiritual potency; vivardhanam — which increases.
Translation: 
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.
Purport: 

Thus end the purports of the humble servants of His Divine Grace A.C. Bhaktivedanta Swami Prabhupāda to the Twelfth Canto, Seventh Chapter, of the Śrīmad-Bhāgavatam, entitled “The Purāṇic Literatures.”