In this way, because of devotional service, Mahārāja Ambarīṣa, who was endowed with varieties of transcendental qualities, was completely aware of Brahman, Paramātmā and the Supreme Personality of Godhead, and thus he executed devotional service perfectly. Because of his devotion, he thought even the topmost planet of this material world no better than the hellish planets.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एवं विधानेकगुणः स राजा परात्मनि ब्रह्मणि वासुदेवे । क्रियाकलापैः समुवाह भक्तिं ययाऽऽविरिञ्च्यान्निरयांश्चकार
evaṃ vidhānekaguṇaḥ sa rājā parātmani brahmaṇi vāsudeve | kriyākalāpaiḥ samuvāha bhaktiṃ yayā''viriñcyānnirayāṃścakāra
SB 9.5.25