Ramayana
न शक्यं खल्वियं लङ्का प्रवेष्टुं वानर त्वया । रक्षिता रावणबलैरभिगुप्ता समन्ततः ॥ ५-३-२४
'O vanara this Lanka is a secret place protected by Ravana's army everywhere. It is surely not possible for you to enter this city'. ॥ 5-3-24॥
english translation
na zakyaM khalviyaM laGkA praveSTuM vAnara tvayA । rakSitA rAvaNabalairabhiguptA samantataH ॥ 5-3-24
hk transliteration by Sanscript