Valmiki Ramayana Ayodhya Kanda Sarga 35 Shloka 28
Original Shlokaसत्यश्चाद्य प्रवादोऽयं लौकिकः प्रतिभाति मा। पितृन् समनुजायन्ते नरा मातरमङ्गनाः।।2.35.28।।
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नराः men, पितृन् fathers, अङ्गनाः women, मातरम् mother, समनुजायन्ते are born similar to them, अयम् this, लौकिकः generally accepted, प्रवादः saying, सत्यः truth, अद्य now, मा about (to) me, प्रतिभाति appears.
The generally accepted saying in this world that 'sons resemble the father and, daughters the mother' appears true to me today.