Munindra Misra said this quote

गु� ��मा, गु� �व�णु, गु� देवो महे�वरःlगु��सा�ाथ परम ��मा त�मै�ी गुरावेनामः॥Guru the darkness dispeller, Guru Brahma the Creator be,Guru Vishnu the Preserver; Guru Shiv the Transformer be,Guru, the Supreme Being in human form – our savour be,My salutations, awe, gratitude to that Divine Teacher be.- 1 -