svayaṁ tri-bhuvaneśvara

iti-in this way; susruma-we have heard; nirbandham-strong determination; tapah-austerity; paramam-very severe; asthitah-is situated in; vidhatsva-please take steps; anantaram-as soon as possible; yuktam-befitting; svayam-yourself; tri-bhuvana-isvara-O master of the three worlds.