O Vibhavasu, all the world is aware of this vow on my part that I am surely ever ready to give my very life to the best of Brahmanas.
व्रतं वै मम लोकोऽयं वेत्ति कृत्स्नं विभावसो। यथाहं द्विजमुख्येभ्यो दद्यां प्राणानपि ध्रुवम्॥