Mahabharata 13.62.16

कृत्वापि पापकं कर्म यो दद्यादन्नमर्थिनेब्राह्मणाय विशेषेण न स पापेन युज्यते

kṛtvāpi pāpakaṃ karma yo dadyādannamarthinebrāhmaṇāya viśeṣeṇa na sa pāpena yujyate

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