loka-santāna-hetavaḥ

atha-thus; abhidhyayatah-while thinking of; sargam-creation; dasa-ten; putrah-sons; prajajnire-were begotten; bhagavat-regarding the Personality of Godhead; sakti-potency; yuktasya-empowered with; loka-the world; santana-generation; hetavah-the causes.