Mahabharata 12.41.16

विदुरं संजयं चैव युयुत्सुं च महामतिम्अब्रवीत्परवीरघ्नो धर्मात्मा धर्मवत्सलः

viduraṃ saṃjayaṃ caiva yuyutsuṃ ca mahāmatimabravītparavīraghno dharmātmā dharmavatsalaḥ

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