Srimad-Bhagavatam: Canto 6 - Chapter 1 - Verse 22
Sanskrit:
अस्तौषीद्धंसगुह्येन भगवन्तमधोक्षजम् ।तुभ्यं तदभिधास्यामि कस्यातुष्यद्यथा हरि: ॥ २२ ॥
ITRANS:
astauṣīd dhaṁsa-guhyenabhagavantam adhokṣajamtubhyaṁ tad abhidhāsyāmikasyātuṣyad yathā hariḥ
Translation:
My dear King, I shall fully explain to you the Haṁsa-guhya prayers, which were offered to the Supreme Personality of Godhead by Dakṣa, and I shall explain how the Lord was pleased with him for those prayers.
Purport:
It is to be understood that the Haṁsa-guhya prayers were not composed by Dakṣa, but were existing in the Vedic literature.