Valmiki Ramayana Bala Kanda Sarga 1 Shloka 6
Original Shlokaश्रुत्वा चैतत्ित्रलोकज्ञो वाल्मीकेर्नारदो वच: । श्रूयतामिति चामन्त्त्र्य प्रहृष्टो वाक्यमब्रवीत् ।।1.1.6।।
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त्रिलोकज्ञ: knower of the three worlds, नारद: Narada, वाल्मीके: Valmiki's, एतत् वच: these words, श्रुत्वा च having heard, श्रूयताम् इति "Listen to me", चामन्त्त्र्य च having invited, प्रहृष्ट: was delighted, वाक्यम् words, अब्रवीत् spoke.
Invited by Valmiki to take his seat Narada, knower of the three worlds heard him and said with delight, "Listen to me!". And thus spoke.