Manusmriti
श्मशानेष्वपि तेजस्वी पावको नैव दुष्यति । हूयमानश्च यज्ञेषु भूय एवाभिवर्धते ॥ ३१८ ॥
The brilliant fire is not contaminated even in burial-places, and, when presented with oblations (of butter) at sacrifices, it again increases mightily.
english translation
zmazAneSvapi tejasvI pAvako naiva duSyati । hUyamAnazca yajJeSu bhUya evAbhivardhate ॥ 318 ॥
hk transliteration by Sanscript