I offer my respectful obeisances unto the SPG, who pretended to be a gigantic fish, who restored the Vedic literature to Brahma when Brahma awakened from sleep, & who explained the essence of Vedic literature to Satyavrata & the great saintly persons

Expressions researched:
"I offer my respectful obeisances unto the Supreme Personality of Godhead, who pretended to be a gigantic fish, who restored the Vedic literature to Lord Brahmā when Lord Brahmā awakened from sleep, and who explained the essence of Vedic literature to King Satyavrata and the great saintly persons"

Srimad-Bhagavatam

SB Canto 8

I offer my respectful obeisances unto the Supreme Personality of Godhead, who pretended to be a gigantic fish, who restored the Vedic literature to Lord Brahmā when Lord Brahmā awakened from sleep, and who explained the essence of Vedic literature to King Satyavrata and the great saintly persons.

SB 8.24.61, Translation and Purport

I offer my respectful obeisances unto the Supreme Personality of Godhead, who pretended to be a gigantic fish, who restored the Vedic literature to Lord Brahmā when Lord Brahmā awakened from sleep, and who explained the essence of Vedic literature to King Satyavrata and the great saintly persons.

Here is a summary of Satyavrata's meeting with the fish incarnation of Lord Viṣṇu. Lord Viṣṇu's purpose was to take back all the Vedic literatures from the demon Hayagrīva and restore them to Lord Brahmā. Incidentally, by His causeless mercy, the Lord spoke with Satyavrata. The word satyavratānām is significant because it indicates that those on the level of Satyavrata can take knowledge from the Vedas delivered by the Supreme Personality of Godhead. Whatever is spoken by the Supreme Lord is accepted as Veda. As stated in Bhagavad-gītā, vedānta-kṛd veda-vit: the Supreme Personality of Godhead is the compiler of all Vedic knowledge, and He knows the purport of the Vedas. Therefore, anyone who takes knowledge from the Supreme Personality of Godhead, Kṛṣṇa, or from Bhagavad-gītā as it is, knows the purpose of the Vedas (vedaiś ca sarvair aham eva vedyaḥ (BG 15.15). One cannot understand Vedic knowledge from the veda-vāda-ratās, who read the Vedas and misconstrue their subject matter. One has to know the Vedas from the Supreme Personality of Godhead.