Natyashastra
उत्तमसत्त्वः शेते हसति च गायति च मध्यमप्रकृतिः । परुषवचनाभिधायी रोदत्यपि चाधमप्रकृतिः ॥ ४०॥
Among these, persons of the superior type sleep, those of the middling type laugh and sing, and those of the inferior type cry or use harsh words.
english translation
uttamasattvaH zete hasati ca gAyati ca madhyamaprakRtiH । paruSavacanAbhidhAyI rodatyapi cAdhamaprakRtiH ॥ 40॥
hk transliteration by Sanscript