Valmiki Ramayana Ayodhya Kanda Sarga 91 Shloka 9
Original Shlokaते वृक्षानुदकं भूमिमाश्रमेषूटजां स्तथा। न हिंस्युरिति तेनाऽहमेक एव समागतः।।2.91.9।।
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ते they, आश्रमेषु in ashrams, वृक्षान् trees, उदकम् water, भूमिम् land, तथा also, उटजान् huts, न हिंस्युः shall not damage, इति so, तेन therefore, अहम् I, एक एव alone, समागतः came here.
Lest the army should damage the huts, trees, land, and defile the water in the ashram, I came here alone.