Mahabharata 12.276.36

चतुर्णां यत्र वर्णानां धर्मव्यतिकरो भवेत्न तत्र वासं कुर्वीत श्रेयोर्थी वै कथंचन

caturṇāṃ yatra varṇānāṃ dharmavyatikaro bhavetna tatra vāsaṃ kurvīta śreyorthī vai kathaṃcana

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