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.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अस्तौषीद्धंसगुह्येन भगवन्तमधोक्षजम् । तुभ्यं तदभिधास्यामि कस्यातुष्यद्यथा हरिः
astauṣīddhaṃsaguhyena bhagavantamadhokṣajam | tubhyaṃ tadabhidhāsyāmi kasyātuṣyadyathā hariḥ
SB 6.4.22