Shiva Purana
वरं विषाशनं प्राज्ञैर्वरमग्निप्रवेशनम्॥ कृपणानामनाथानां दीनानामपरक्षणात् ॥ २८ ॥
Better to swallow poison or enter fire than cease to protect the oppressed, the helpless and the poor.
english translation
varaM viSAzanaM prAjJairvaramagnipravezanam॥ kRpaNAnAmanAthAnAM dInAnAmaparakSaNAt ॥ 28 ॥
hk transliteration by Sanscript