Śrīmad-Bhāgavatam 3.19.4
SB 3.19.4
Open the full passageSanskrit
sa tadā labdha-tīrtho 'pi na babādhe nirāyudham mānayan sa mṛdhe dharmaṁ viṣvaksenaṁ prakopayan
Translation
Even though the demon had an excellent opportunity to strike his unarmed foe without obstruction, he respected the law of single combat, thereby kindling the fury of the Supreme Lord.