Mahabharata 12.183.6

अत्रोच्यतेशारीरैर्मानसैर्दुःखैः सुखैश्चाप्यसुखोदयैःलोकसृष्टिं प्रपश्यन्तो न मुह्यन्ति विचक्षणाः

atrocyateśārīrairmānasairduḥkhaiḥ sukhaiścāpyasukhodayaiḥlokasṛṣṭiṃ prapaśyanto na muhyanti vicakṣaṇāḥ

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