Natyashastra
आवेगे चैव हर्षे च कार्ये यच्च त्वरान्वितम् । अनिष्टश्रवणे चैव क्षेपे चाद्भुतदर्शने ॥ ३७॥
In haste and joy, and in actions accompanied by speed, also on hearing bad news, and in anger or seeing something marvelous, the gait should be quick and lively.
english translation
Avege caiva harSe ca kArye yacca tvarAnvitam । aniSTazravaNe caiva kSepe cAdbhutadarzane ॥ 37॥
hk transliteration by Sanscript