Synonyms:

prasade–on achievement of the causeless mercy of the Lord; sarva–of 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.

Translation:

For one who is so situated in the Divine consciousness, the threefold miseries of material existence exist no longer; in such a happy state, one’s intelligence soon becomes steady.