Valmiki Ramayana Yuddha Kanda Sarga 95 Shloka 40
Original Shlokaप्राप्तकालंकृतंतेनपौलस्त्येनमहात्मना ।।6.95.40।। यतएवंभयंदृष्टंतमेवशरणंगतः ।
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महात्मना great self, तेनपौलस्त्येन by that Paulastya, प्राप्तकालम् opportune time having come, कृतम् did, यतः that which, एवम् in that way, भयम् fear, दृष्टम् perceiving, तमेव he also, शरणंगतः sought refuge
"Great Vibheeshana of the Paulastya race, perceiving opportune time, has sought refuge out of fear."