Gurur Brahmā Gurur Viṣṇur Gurur devo Maheśvaraḥ
Guruḥ sākṣāt paraṁ Brahma tasmai śrī gurave namaḥ II
Guru Brahma – Known as Guru Mantra or Guru Mahamantra. The guru is Brahma (Bramha) the guru is Vishnu, the guru is Maheshwara (Siva), the guru is the Self-revealing limitless Brahman. Salutations to that revered guru.