Shiva Purana
कस्तत्त्रितयमाहात्म्यं संजानाति द्विजोत्तमाः । महेश्वरं विना सर्वं ब्रह्माण्डे सदसत्परम् २१ ।
O foremost among the brahmins! Who ever does know the real greatness of the three except Śiva who is beyond all in the whole universe?
english translation
kastattritayamAhAtmyaM saMjAnAti dvijottamAH । mahezvaraM vinA sarvaM brahmANDe sadasatparam 21 ।
hk transliteration by Sanscript