Bhagavatapurana 1.10.3

1.10.3

niśamya bhīṣmoktam athācyutoktaṃ pravṛttavijñānavidhūtavibhramaḥ /
śaśāsa gām indra ivājitāśrayaḥ paridhyupāntām anujānuvartitaḥ //

3. Having listened to what Bhishma as well as Sri Krishna said, and having rid himself of the confusion (in his mind) by the force of wisdom he gained thereby, Yudhishtira, who was like unto Indra, ruled over the earth (as far as the sea) always depending upon (devoted to) Sri Krishna, and assisted by his own obedient brothers.