Shiva Purana
धर्मं ज्ञानं च वैराग्यमैश्वर्यं च चतुष्टयम्॥ अधर्माद्यग्निकोणादिकोणेषु च समर्चयेत् ॥ १४ ॥
The fourfold path is righteousness, knowledge, detachment and opulence. One should worship in the corners of iniquity and fire.
english translation
dharmaM jJAnaM ca vairAgyamaizvaryaM ca catuSTayam॥ adharmAdyagnikoNAdikoNeSu ca samarcayet ॥ 14 ॥
hk transliteration by Sanscript