Natyashastra
या गतिर्मध्यमानां तु न तां नीचेषु योजयेत् । गतिः शृङ्गारिणी कार्या स्वस्थकामितसम्भवा ॥ ४०॥
The gait of the middling types should not be applied to the inferior ones; the gait to be performed is one expressive of love, healthy and desirous.
english translation
yA gatirmadhyamAnAM tu na tAM nIceSu yojayet । gatiH zaRGgAriNI kAryA svasthakAmitasambhavA ॥ 40॥
hk transliteration by Sanscript