yantrārūḍhāni māyayā

isvarah-the Supreme Lord; sarva-bhutanam-of all living entities; hrd-dese-in the location of the heart; arjuna-O Arjuna; tisthati-resides; bhramayan-causing to travel; sarva-bhutani-all living entities; yantra-machine; arudhani-being so placed; mayaya-under the spell of material energy.