Bhagavatapurana 9.5.24

9.5.24

gate 'tha durvāsasi so 'mbarīṣo dvijopayogātipavitramāharat /
ṛṣervimokṣaṃ vyasanaṃ ca vīkṣya mene svavīryaṃ ca parānubhāvam //

24. When Durvasas departed, that Ambarisha ate the holy remnant of food after its use by the brahmin; considering the affliction and release of the sage, the king thought that his virtue was only the power of that Perfect Lord.