Srimad Bhagavatam Canto 12, Chapter 13, Text 10

SB 12.13.10

idam bhagavata purvam
 brahmane nabhi-pankaje
sthitaya bhava-bhitaya
 karunyat samprakasitam
It was to Lord Brahma that the Supreme Personality of Godhead first revealed the Srimad-Bhagavatam in full. At the time, Brahma, frightened by material existence, was sitting on the lotus flower that had grown from the Lord’s navel.
Lord Krsna enlightened Brahma with the knowledge of Srimad-Bhagavatam before the creation of this universe, as indicated here by the word purvam. Also, the first verse of the Bhagavatam states, tene brahma hrda ya adi-kavaye: “Lord Krsna expanded perfect knowledge into the heart of Lord Brahma.” Because conditioned souls can experience only temporary objects, which are created, maintained and destroyed, they cannot readily understand that Srimad-Bhagavatam is an eternal, transcendental literature nondifferent from the Absolute Truth.
As stated in the Mundaka Upanisad (1.1.1):
brahma devanam prathamah sambabhuva
 visvasya karta bhuvanasya gopta
sa brahma-vidyam sarva-vidya-pratistham
 atharvaya jyestha-putraya praha
“Among all the demigods, Brahma was the first to take birth. He is the creator of this universe and also its protector. To his eldest son, Atharva, He instructed the spiritual science of the self, which is the basis of all other branches of knowledge.” Despite his exalted position, however, Brahma still fears the influence of the Lord’s illusory potency. Thus this energy seems virtually insurmountable. But Lord Caitanya is so kind that during His missionary activities in eastern and southern India, He freely distributed Krsna consciousness to everyone, urging them to become teachers of Bhagavad-gita. Lord Caitanya, who is Krsna Himself, encouraged the people by saying, “By My order just become a teacher of Lord Krsna’s message and save this country. I assure you that the waves of maya will never stop your progress.” (Cc. Madhya 7.128)
If we give up all sinful activities and engage constantly in the sankirtana movement of Caitanya Mahaprabhu, victory is assured in our personal lives and also in our missionary efforts.
Srimad Bhagavatam Canto 12, Chapter 13, Text 04-09
Srimad Bhagavatam Canto 12, Chapter 13, Text 11-12