Valmiki Ramayana Kishkindha Kanda Sarga 18 Shloka 44
Original Shlokaत्वं तु धर्ममविज्ञाय केवलं रोषमास्थितः4.18.44।। प्रदूषयसि मां धर्मे पितृपैतामहे स्थितम्।
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त्वं तु you on your part, धर्मम् dharma, अविज्ञाय not knowing, केवलम् only, रोषम् anger, आस्थितः have restored, पितृपैतामहे followed by fathers and grandfathers, धर्मे in dharma, स्थितम् devoted, माम् me, प्रदूषयसि you are reproaching.
'Seized with improper anger, you are reproaching one who is devoted to dharma, without knowing that I follow the code of conduct that has been passed on by my fathers and forefathers.'