Valmiki Ramayana Yuddha Kanda Sarga 25 Shloka 21
Original Shlokaप्रच्छमानौविमुञ्चैतौचारौरात्रिंचरावुभौ । शत्रुपक्षस्यसततंविभीषण: विकर्षिणौ ।।6.25.21।।
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विभीषण Vibheeshana, सततं ever, शत्रुपक्षस्य enemy's side, विकर्षिणौ seeking to divide, प्रच्छमानौ are requesting, चारौ spies, उभौ both, रात्रिंचरौ night rangers, विमुञ्च free.
"Vibheeshana! Even though they are spies seeking to divide the enemy army as both the night rangers have been requesting, you may set them free."