Mahabharata 9.2.57

यदब्रवीन्मे धर्मात्मा विदुरो दीर्घदर्शिवान्तत्तथा समनुप्राप्तं वचनं सत्यवादिनः

yadabravīnme dharmātmā viduro dīrghadarśivāntattathā samanuprāptaṃ vacanaṃ satyavādinaḥ

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