SB 10.72.12

śrī-śuka uvāca
niśamya bhagavad-gītaṁ
 prītaḥ phulla-mukhāmbujaḥ
bhrātṝn dig-vijaye ’yuṅkta
 viṣṇu-tejopabṛṁhitān
Synonyms: 
śrī-śukaḥ uvāca — Śrī Śuka said; niśamya — hearing; bhagavat — of the Supreme Lord; gītam — the song; prītaḥ — pleased; phulla — blossoming; mukha — his face; ambujaḥ — lotuslike; bhrātṝn — his brothers; dik — of all the directions; vijaye — in the conquest; ayuṅkta — engaged; viṣṇu — of Lord Viṣṇu; tejaḥ — with the potency; upabṛṁhitān — fortified.
Translation: 
Śukadeva Gosvāmī said: Upon hearing these words sung by the Supreme Lord, King Yudhiṣṭhira became joyful, and his face blossomed like a lotus. Thus he sent forth his brothers, who were empowered with Lord Viṣṇu’s potency, to conquer all directions.