Natyashastra
हर्षभयशोकविस्मयविषादरोषादिसम्भवः स्तम्भः । शीतभयहर्षरोषस्पर्शजरारोगजः कम्पः ॥ ९६॥
Paralysis (stambha) occurs as being due to joy, fear, sickness, surprise, sadness, intoxication and anger, and Trembling due to cold, fear, joy, anger, touch [of thebeloved] and old age.
english translation
harSabhayazokavismayaviSAdaroSAdisambhavaH stambhaH । zItabhayaharSaroSasparzajarArogajaH kampaH ॥ 96॥
hk transliteration by Sanscript