Mahabharata 12.177.34

कठिनश्चिक्कणः श्लक्ष्णः पिच्छलो मृदुदारुणःउष्णः शीतः सुखो दुःखः स्निग्धो विशद एव चएवं द्वादशविस्तारो वायव्यो गुण उच्यते

kaṭhinaścikkaṇaḥ ślakṣṇaḥ picchalo mṛdudāruṇaḥuṣṇaḥ śītaḥ sukho duḥkhaḥ snigdho viśada eva caevaṃ dvādaśavistāro vāyavyo guṇa ucyate

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