Shiva Purana
सनत्कुमार नो वेत्ति महिमानं महेशितुः॥ चतुर्भुजोऽपि विष्णुर्वै चतुर्व्वक्त्रोऽपि वै विधिः ॥ ३॥
O Sanatkumāra, neither Viṣṇu of four arms nor Brahmā of four faces knows the greatness of lord Śiva.
english translation
sanatkumAra no vetti mahimAnaM mahezituH॥ caturbhujo'pi viSNurvai caturvvaktro'pi vai vidhiH ॥ 3॥
hk transliteration by Sanscript