Mahabharata 3.259.18
उपवासरतिर्धीमान्सदा जप्यपरायणःतमेव कालमातिष्ठत्तीव्रं तप उदारधीः
upavāsaratirdhīmānsadā japyaparāyaṇaḥtameva kālamātiṣṭhattīvraṃ tapa udāradhīḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book