Mahabharata 11.5.1
धृतराष्ट्र उवाच · dhṛtarāṣṭra uvāca
यदिदं धर्मगहनं बुद्ध्या समनुगम्यतेएतद्विस्तरशः सर्वं बुद्धिमार्गं प्रशंस मे
yadidaṃ dharmagahanaṃ buddhyā samanugamyateetadvistaraśaḥ sarvaṃ buddhimārgaṃ praśaṃsa me
Our plain-language meaning of this verse is waiting for scholar review.