Shiva Purana
हस्तपादादिसाधर्म्याद्रुद्रान्मर्त्यवपुर्धरान् ॥ प्राकृतानिव मन्वानो नावजानीत पंडितः ॥ ३९ ॥
A learned man shall not treat these Rudras with contempt by considering them ordinary men because they have assumed human forms with hands, feet and the like.
english translation
hastapAdAdisAdharmyAdrudrAnmartyavapurdharAn ॥ prAkRtAniva manvAno nAvajAnIta paMDitaH ॥ 39 ॥
hk transliteration by Sanscript