Valmiki Ramayana Ayodhya Kanda Sarga 63 Shloka 36
Original Shlokaतां गिरं करुणां श्रुत्वा मम धर्मानुकाङ्क्षिणः। कराभ्यां सशरं चापं व्यथितस्यापतद्भुवि।।2.63.36।।
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करुणाम् piteous, तां गिरम् words, श्रुत्वा on hearing, धर्मानुकाङ्क्षिणं keen on following the righteous path (fearing that an unrighteous act has been performed), व्यथितस्य worrying, मम my, कराभ्याम् from my hands, सशरम् along with the arrow, चापम् bow भुवि on the land, अपतत् fell down.
On hearing the piteous voice the bow and arrow dropped from my (trembling) hands since I was keen on following the righteous path.