Srimad-Bhagavatam: Canto 9 - Chapter 1 - Verse 14
Sanskrit:
इति प्रभाष्य पानीयं म्रियमाण: पिपासया ।पुल्कसायाददाद्धीरो निसर्गकरुणो नृप: ॥ १४ ॥
ITRANS:
iti prabhāṣya pānīyaṁmriyamāṇaḥ pipāsayāpulkasāyādadād dhīronisarga-karuṇo nṛpaḥ
Translation:
Having spoken thus, King Rantideva, although on the verge of death because of thirst, gave his own portion of water to the caṇḍāla without hesitation, for the King was naturally very kind and sober.