Ramayana
वायोरिव गतिस्तेषां दृष्टिस्तमसि वर्तते । ते प्रविष्टास्तु वेगेन तद्बिलं कपिकुञ्जराः ॥ ४-५०-२०
(Still) They moved like wind uninterrupted and their vision was lost in darkness. As the elephant like monkeys entered the cave quickly - ॥ 4-50-20॥
english translation
vAyoriva gatisteSAM dRSTistamasi vartate । te praviSTAstu vegena tadbilaM kapikuJjarAH ॥ 4-50-20
hk transliteration by Sanscript