Valmiki Ramayana Sundara Kanda Sarga 27 Shloka 25
Original Shlokaगर्दभेन ययौ शीघ्रं दक्षिणां दिशमास्थितः। पुनरेव मया दृष्टो रावणो राक्षसेश्वरः।।5.27.25।। पतितोऽ वाक्चिरा रा भूमौ गर्दभाद्भयमोहितः।
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दक्षिणां दिशम् towards southerly direction, आस्थितः started, गर्दभेन after donkey, शीघ्रम् swiftly, ययौ went, राक्षसेश्वरः demon king, रावणः Ravana, भयमोहितः deluded by fear, गर्दभात् of the donkey, अवाक्चिरा: head bent down, पतितः fallen, मया by me, पुनरेव also, दृष्टः saw.
"I saw the demon king Ravana running behind the chariot driven by donkeys in the southerly direction. He was falling with his head bent down and deluded by the fear of the donkey.