Ramayana
नदी निलयना स्सर्पा नदीकुटिलगामिनः । तिषठ्न्त्यावृत्य पन्थानं ततो दुःखतरं वनम् ॥ २-२८-२०
The serpents that live in and move like meandering rivers always obstruct the paths. Therefore, living in the forest is tremendously difficult. ॥ 2-28-20॥
english translation
nadI nilayanA ssarpA nadIkuTilagAminaH । tiSaThntyAvRtya panthAnaM tato duHkhataraM vanam ॥ 2-28-20
hk transliteration by Sanscript