Shiva Purana
मृगेन्द्राणां यथा नादं गजेंद्रा गहने वने ॥ श्रुत्वा तथाविधं केचित्तत्यजुर्जीवितं भयात् ॥ ९ ॥
Some abandoned their lives due to fear like lordly elephants in a thick forest on hearing the roar of the lion.
english translation
mRgendrANAM yathA nAdaM gajeMdrA gahane vane ॥ zrutvA tathAvidhaM kecittatyajurjIvitaM bhayAt ॥ 9 ॥
hk transliteration by Sanscript