Valmiki Ramayana Ayodhya Kanda Sarga 3 Shloka 2
Original Shlokaअहोऽस्मि परमप्रीतः प्रभावश्चातुलो मम। यन्मे ज्येष्ठं प्रियं पुत्रं यौवराज्यस्थमिच्छथ।।2.3.2।।
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मे my, ज्येष्ठम् eldest, प्रियम् beloved, पुत्रम् son, यौवराज्यस्थम् as prince regent, यत् इच्छथ since you are desiring, अहो oh, परम प्रीत: अस्मि I am immensely pleased, मम my, प्रभावश्च splendour, अतुलः incomparable.
I am immensely happy that you have added to my incomparable resilience with your desire to see my beloved eldest son installed heirapparent.