buddhiḥ paryavatiṣṭhate

prasade-on achievement of the causeless mercy of the Lord; sarva-all; duhkhanam-material miseries; hanih-destruction; asya-his; upajayate-takes place; prasanna-cetasah-of the happy-minded; hi-certainly; asu-very soon; buddhih-intelligence; pari-sufficiently; avatisthate-established.