Natyashastra
स्त्रीणां कापुरुषाणां च ये चान्ये सत्त्ववर्जिताः । विस्फारिते चले नेत्रे विधुतं च शिरस्तथा ॥ ७१॥
Women, cowards, and others devoid of spirit should have eyes that dart about wildly and a head that is thrown back and shaken.
english translation
strINAM kApuruSANAM ca ye cAnye sattvavarjitAH । visphArite cale netre vidhutaM ca zirastathA ॥ 71॥
hk transliteration by Sanscript