When Durvāsā touched his lotus feet, Mahārāja Ambarīṣa was very much ashamed, and when he saw Durvāsā attempting to offer prayers, because of mercy he was aggrieved even more. Thus he immediately began offering prayers to the great weapon of the Supreme Personality of Godhead.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तस्य सोद्यमनं वीक्ष्य पादस्पर्शविलज्जितः । अस्तावीत्तद्धरेरस्त्रं कृपया पीडितो भृशम्
tasya sodyamanaṃ vīkṣya pādasparśavilajjitaḥ | astāvīttaddharerastraṃ kṛpayā pīḍito bhṛśam
SB 9.5.2