Shiva Purana
यश्चांत्यजेन संसेव्यो ह्यसद्ग्राही तु यो द्विजः ॥ अयाज्ययाजकश्चैव तथैवाभक्ष्य भक्षकः॥ १५ ॥
And he who is to be served by the renunciant is a brahmin who is not a recipient of evil. He who does not sacrifice and who does not sacrifice is also a devourer who does not eat.
english translation
yazcAMtyajena saMsevyo hyasadgrAhI tu yo dvijaH ॥ ayAjyayAjakazcaiva tathaivAbhakSya bhakSakaH॥ 15 ॥
hk transliteration by Sanscript