Ramayana
वालिनश्च बलं तत्र कथयामास वानरः । सुग्रीवः शङ्कितश्चासीन्नित्यं वीर्येण राघवे ॥ १-१-६३
In that regard Vanara Sugreeva also described Vali's strength. But Sugreeva remained ever doubtful with respect to Raghava, about Raghava's prowess. ॥ 1-1-63॥
english translation
vAlinazca balaM tatra kathayAmAsa vAnaraH । sugrIvaH zaGkitazcAsInnityaM vIryeNa rAghave ॥ 1-1-63
hk transliteration by Sanscript