Śrīmad-Bhāgavatam · Text 1.15.42
Who is speaking and story frame
त्रित्वे हुत्वा च पञ्चत्वं तच्चैकत्वेऽजुहोन्मुनि: ।
सर्वमात्मन्यजुहवीद्ब्रह्मण्यात्मानमव्यये ॥ ४२ ॥
tritve hutvā ca pañcatvaṁ
tac caikatve ’juhon muniḥ
sarvam ātmany ajuhavīd
brahmaṇy ātmānam avyaye
Thus annihilating the gross body of five elements into the three qualitative modes of material nature, he merged them in one nescience and then absorbed that nescience in the self, Brahman, which is inexhaustible in all circumstances.
Read Śrīla Prabhupāda's purport on Vedabase.io