Mahabharata 8.49.19

अविज्ञानाद्भवान्यच्च धर्मं रक्षति धर्मवित्प्राणिनां हि वधं पार्थ धार्मिको नावबुध्यते

avijñānādbhavānyacca dharmaṃ rakṣati dharmavitprāṇināṃ hi vadhaṃ pārtha dhārmiko nāvabudhyate

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