Valmiki Ramayana Bala Kanda Sarga 1 Shloka 61
Original Shlokaततो वानरराजेन वैरानुकथनं प्रति ।।1.1.61।। रामायावेदितं सर्वं प्रणयाद्दु:खितेन च ।
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तत: thereafter, दु:खितेन by him who was filled with sorrow, वानरराजेन by the king of monkeys, Sugriva, वैरानुकथनं प्रति his story about hostilities (with Vali), रामाय to Rama, सर्वम् entirely, प्रणयात् out of friendship, आवेदितम् was communicated.
Thereafter Sugriva, king of monkeys filled with sorrow narrated to Rama out of friendship the entire account of his hostilities (with Vali).