Ramayana
यदि गच्छति पातालं ततोऽभ्यधिकमेव वा । सर्वथा रावणस्तावन्न भविष्यति राघव ॥ ४-१-११६
Even if Ravana escapes into the nether world or into a world still lower, he cannot save himself by any means, O Rama. ॥ 4-1-116॥
english translation
yadi gacchati pAtAlaM tato'bhyadhikameva vA । sarvathA rAvaNastAvanna bhaviSyati rAghava ॥ 4-1-116
hk transliteration by Sanscript