Mahabharata 12.290.66
हसितोत्क्रुष्टनिर्घोषं नानाज्ञानसुदुस्तरम्रोदनाश्रुमलक्षारं सङ्गत्यागपरायणम्
hasitotkruṣṭanirghoṣaṃ nānājñānasudustaramrodanāśrumalakṣāraṃ saṅgatyāgaparāyaṇam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book