A class on Srimad Bhagavatam 1.2.30 given by His Divine Grace A.C. Bhaktivedanta Swami Prabhupada on November 9, 1972 in Vrindavan, India.
A transcript of the class can be found here: https://goo.gl/K61vyF.
Srimad Bhagavatam 1.2.30
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.