Shiva Purana
देवासुरगुरुर्देवो देवासुरनमस्कृतः ॥ देवासुरमहा मित्रो देवासुरमहेश्वरः ॥ ९१ ॥
He is the spiritual master of the gods and demons and is worshiped by the gods and demons. He is the great friend of the gods and demons and the great lord of the gods and demons.
english translation
devAsuragururdevo devAsuranamaskRtaH ॥ devAsuramahA mitro devAsuramahezvaraH ॥ 91 ॥
hk transliteration by Sanscript