Mahabharata 12.112.53

वाङ्मात्रेणैव धर्मिष्ठः स्वभावेन तु दारुणःधर्मच्छद्मा ह्ययं पापो वृथाचारपरिग्रहःकार्यार्थं भोजनार्थेषु व्रतेषु कृतवाञ्श्रमम्

vāṅmātreṇaiva dharmiṣṭhaḥ svabhāvena tu dāruṇaḥdharmacchadmā hyayaṃ pāpo vṛthācāraparigrahaḥkāryārthaṃ bhojanārtheṣu vrateṣu kṛtavāñśramam

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