Bhagavatapurana 3.1.17

3.1.17

sa nirgataḥ kaurava-puṇya-labdho gajāhvayāt tīrtha-padaḥ padāni /
anvākramat puṇya-cikīrṣayorvyām adhiṣṭhito yāni sahasra-mūrtiḥ //

17. Vidura, born of the Kaurava race, by virtue of its past merit, departed from the city of Hastina, and for the purpose

of acquiring merit he travelled through holy places sacred to Hari, whose feet are ever hallowed—the places on earth, where Hari is present in a thousand forms (wherein He manifests himself in a thousand forms).