atah—here; param—after; pravaksyami—I shall explain; vamsan—descendants; manvantarani—different advents of Manus; ca—and; evam—thus; rajah-plutah—infused with the mode of passion; srasta—the creator; kalpa-adisu—in different millenniums; atma-bhuh—self-advent; harih—the Personality of Godhead; srjati—creates; amogha—unfailing; sankalpah—determination; atma eva—He Himself; atmanam—Himself; atmana—by His own energy.