Srimad Bhagavatam Canto 01, Chapter 18, Text 17

SB 1.18.17

tan nah param punyam asamvrtartham
akhyanam atyadbhuta-yoga-nistham
akhyahy anantacaritopapannam
pariksitam bhagavatabhiramam
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
Thus please narrate to us the narrations of the Unlimited, for they are purifying and supreme. They were spoken to Maharaja Pariksit, and they are very dear to the pure devotees, being full of bhakti-yoga.
 
Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
What was spoken to Maharaja Pariksit and what is very dear to the pure devotees is Srimad-Bhagavatam. Srimad-Bhagavatam is mainly full of the narrations of the activities of the Supreme Unlimited, and therefore it is the science of bhakti-yoga, or the devotional service of the Lord. Thus it is para, or supreme, because although it is enriched with all knowledge and religion, it is specifically enriched with the devotional service of the Lord.
 
Srimad Bhagavatam Canto 01, Chapter 18, Text 16
Srimad Bhagavatam Canto 01, Chapter 18, Text 18