Mahabharata 5.137.8

वार्यमाणोऽपि पापेभ्यः पापात्मा पापमिच्छतिचोद्यमानोऽपि पापेन शुभात्मा शुभमिच्छति

vāryamāṇo'pi pāpebhyaḥ pāpātmā pāpamicchaticodyamāno'pi pāpena śubhātmā śubhamicchati

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