Valmiki Ramayana Kishkindha Kanda Sarga 12 Shloka 16
Original Shlokaतं श्रुत्वा निनदं भ्रातुः क्रुद्धो वाली महाबलः। निश्चक्राम सुसंरब्धो भास्करोऽस्ततटादिव4.12.16।।
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महाबलः powerful, वाली Vali, भ्रातुः brother's, तं निनदम् roaring, श्रुत्वा hearing, क्रुद्धः enraged, सुसंरब्धः overwhelmed, अस्ततटात् from behind the western bank of the ocean, भास्करः Sun, यथा like, निष्पपात came out.
On hearing his brother roaring, powerful Vali was enraged and rushed like the Sun from behind the western shore of the ocean (this simile suggests the downfall of Vali).