Ramayana
रौरवे क्षारनद्यां च क्षुरधारासु चैव हि । पानीयं याचमानांश्च तृषितान्क्षुधितानपि ॥ 7-21-16 ॥
He saw them in the Raurava hell, in the river of caustic alkali, and upon razor's edges, and saw the thirsty and the hungry begging for water.
english translation