Rāvana is a wily warrior, and hence is the special need of Sugrīva. That knowing lord of monkeys, Väli, had told me all this. I do not know how Rāvana had secured this host: I say what I had heard from Vāli.
एवमाख्यातवान् वाली स ह्यभिज्ञो हरीश्वरः। आगमस्तु न मे व्यक्तः श्रवात् तस्य ब्रवीम्यहम्॥