One verse

Srimad Bhagavatam 12.4.41

12.4.41

पुराणसंहितामेतामृषिर्नारायणोऽव्यय: । नारदाय पुरा प्राह कृष्णद्वैपायनाय स: ॥ ४१ ॥

purāṇa-saṁhitām etām ṛṣir nārāyaṇo ’vyayaḥ nāradāya purā prāha kṛṣṇa-dvaipāyanāya saḥ

purāṇa
of all the Purāṇas
saṁhitām
the essential compendium
etām
this
ṛṣiḥ
the great sage
nārāyaṇaḥ
Lord Nara-Nārāyaṇa
avyayaḥ
the infallible
nāradāya
to Nārada Muni
purā
previously
prāha
spoke
kṛṣṇa-dvaipāyanāya
to Kṛṣṇa Dvaipāyana Vedavyāsa
saḥ
he, Nārada

Long ago this essential anthology of all the Purāṇas was spoken by the infallible Lord Nara-Nārāyaṇa Ṛṣi to Nārada, who then repeated it to Kṛṣṇa Dvaipāyana Vedavyāsa.