SB 9.8.7

so ’śvamedhair ayajata
 sarva-veda-surātmakam
aurvopadiṣṭa-yogena
 harim ātmānam īśvaram
tasyotsṛṣṭaṁ paśuṁ yajñe
 jahārāśvaṁ purandaraḥ
Synonyms: 
saḥ — he, Mahārāja Sagara; aśvamedhaiḥ — by performing aśvamedha-yajñas; ayajata — worshiped; sarva-veda — of all Vedic knowledge; sura — and of all learned sages; ātmakam — the Supersoul; aurva-upadiṣṭa-yogena — by the mystic yoga practice advised by Aurva; harim — unto the Supreme Personality of Godhead; ātmānam — unto the Supersoul; īśvaram — unto the supreme controller; tasya — of him (Sagara Mahārāja); utsṛṣṭam — which was meant for offering; paśum — the sacrificial animal; yajñe — in the sacrifice; jahāra — stole; aśvam — the horse; purandaraḥ — the King of heaven, Indra.
Translation: 
Following the instructions of the great sage Aurva, Sagara Mahārāja performed aśvamedha sacrifices and thus satisfied the Supreme Lord, who is the supreme controller, the Supersoul of all learned scholars, and the knower of all Vedic knowledge, the Supreme Personality of Godhead. But Indra, the King of heaven, stole the horse meant to be offered at the sacrifice.