Natyashastra
सर्वस्य सहजो भावः सर्वो ह्यभिनयोऽर्थतः । अङ्गालङ्कारचेष्टाभिर्नाट्यधर्मी प्रकीर्तिता ॥ ८४॥
The natural emotion of all beings, as well as the expressive gestures and movements of the body, are what define the essence of dramatic art, which is known as "Nāṭyadharmī."
english translation
sarvasya sahajo bhAvaH sarvo hyabhinayo'rthataH । aGgAlaGkAraceSTAbhirnATyadharmI prakIrtitA ॥ 84॥
hk transliteration by Sanscript