A class on Srimad Bhagavatam 1.3.1 given by His Divine Grace A.C. Bhaktivedanta Swami Prabhupada on November 14, 1972 in Vrindavan, India.
A transcript of the class can be found here: https://goo.gl/5xGZgw.
Srimad Bhagavatam 1.3.1
sūta uvāca
jagṛhe pauruṣaṁ rūpaṁ
bhagavān mahad-ādibhiḥ
sambhūtaṁ ṣoḍaśa-kalam
ādau loka-sisṛkṣayā
Sūta said: In the beginning of the creation, the Lord first expanded Himself in the universal form of the puruṣa incarnation and manifested all the ingredients for the material creation. And thus at first there was the creation of the sixteen principles of material action. This was for the purpose of creating the material universes.