Valmiki Ramayana Ayodhya Kanda Sarga 73 Shloka 12
Original Shlokaअपापदर्शनं शूरं कृतात्मानं यशस्विनम्। प्रव्राज्य चीरवसनं किन्नु पश्यसि कारणम्।।2.73.12।।
1 source checked for this shloka
अपापदर्शनम् one who never contemplated evil, शूरम् valiant, कृतात्मानम् having control over his mind, यशस्विनम् the glorious, चीरवसनम् clad in bark clothes, प्रव्राज्य after being exiled, किन्नु what possible, कारणम् reason, पश्यसि do you see?
The glorious, valiant, selfpossessed (Rama) had never contemplated evil. What possible reason do you have for sending him, clothed in bark, into exile?