Valmiki Ramayana Aranya Kanda Sarga 13 Shloka 17
Original Shlokaविदितो ह्येष वृत्तान्तो मम सर्वस्तवानघ।।3.13.17।। तपसश्च प्रभावेण स्नेहाद्दशरथस्य च।
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अनघ O sinless one, तपसः of the penance, प्रभावेण by the power, दशरथस्य Dasaratha's, स्नेहात् due to love, तव your, एषः this, सर्वः all, वृत्तान्तः facts, मम to me, विदितः is known.
O sinless one, I have kown all these facts about you by the power of penance and love for Dasaratha.