Ramayana
भगवंस्तद्वनं घोरं तपस्तप्यति यत्र सः । श्वेतो वैदर्भको राजा कथं स्यादमृगद्विजम् ॥ 7-79-2 ॥
"O blessed one, that dreadful forest in which he performed his austerities — how did that forest, where Shveta, the king of the Vidarbhas, dwelt, come to be devoid of beasts and birds?
english translation