Śrīmad-Bhāgavatam · Text 1.2.30
Who is speaking and story frame
स एवेदं ससर्जाग्रे भगवानात्ममायया ।
सदसद्रूपया चासौ गुणमयागुणो विभु: ॥ ३० ॥
sa evedaṁ sasarjāgre
bhagavān ātma-māyayā
sad-asad-rūpayā cāsau
guṇamayāguṇo vibhuḥ
In the beginning of the material creation, that Absolute Personality of Godhead [Vāsudeva], in His transcendental position, created the energies of cause and effect by His own internal energy.
Read Śrīla Prabhupāda's purport on Vedabase.io