Valmiki Ramayana Ayodhya Kanda Sarga 108 Shloka 2
Original Shlokaसाधु राघव माऽभूत्ते बुध्दिरेवं निरर्थिका। प्राकृतस्य नरस्येव ह्यार्यबुद्धेर्मनस्विनः।।2.108.2।।
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राघव O scion of the Raghu race (Rama), साधु very well, आर्यबुद्धेः of a nobleminded one, मनस्विनः highminded one, ते you, प्राकृतस्य नरस्येव like a common man, एवम् in that way, निरर्थिका nonsensical, बुद्धि: thought, माऽभूत् let there not be.
Very well, O scion of the Raghu race, you are nobleminded and highsouled. You, like a common man, must not entertain such nonsensical thought.