Mahabharata 3.286.9

इदं त्वमनुजानीहि सुरश्रेष्ठ व्रतं ममभिक्षते वज्रिणे दद्यामपि जीवितमात्मनः

idaṃ tvamanujānīhi suraśreṣṭha vrataṃ mamabhikṣate vajriṇe dadyāmapi jīvitamātmanaḥ

Our plain-language meaning of this verse is waiting for scholar review.