avaśaṁ prakṛter vaśāt

prakrtim-material nature; svam-of My personal self; avastabhya-enter in; visrjami-create; punah punah-again, again; bhuta-gramam-all these cosmic manifestations; imam-this; krtsnam-total; avasam-automatically; prakrteh-by the force of nature; vasat-under obligation.