Valmiki Ramayana Ayodhya Kanda Sarga 99 Shloka 16
Original Shlokaमत्कृते व्यसनं प्राप्तो लोकनाथो महाद्युतिः। सर्वान्कामान्परित्यज्य वने वसति राघवः।।2.99.16।।
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लोकनाथः lord of the world, महाद्युतिः effulgent, राघवः Rama, मत्कृते on my account, व्यसनम् calamity, प्राप्त: has faced, सर्वान् all, कामान् desires, परित्यज्य renouncing, वने in the forest, वसति is living.
Effulgent Rama, the lord of the world, had to renounce all desires and undergo this calamity of living in the forest on my account.