Shiva Purana
धर्मस्थानानि चैतानि सुखदानि मनीषिणाम् ॥ सुधर्मः परमो व्यासः शिवभक्तेश्च कारणम् ॥ १८॥
These places of righteousness are pleasant to the wise Sudharma is the supreme Vyasa and the cause of devotion to Lord Shiva.
english translation
dharmasthAnAni caitAni sukhadAni manISiNAm ॥ sudharmaH paramo vyAsaH zivabhaktezca kAraNam ॥ 18॥
hk transliteration by Sanscript