Mahabharata 12.252.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

सूक्ष्मं साधु समादिष्टं भवता धर्मलक्षणम्प्रतिभा त्वस्ति मे काचित्तां ब्रूयामनुमानतः

sūkṣmaṃ sādhu samādiṣṭaṃ bhavatā dharmalakṣaṇampratibhā tvasti me kācittāṃ brūyāmanumānataḥ

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